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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 6150.1-2023 |
Methods for chemical analysis of tungsten concentrates Part 1: Determination of tungsten trioxide content Ammonium tungstate ignition gravimetric method 钨精矿化学分析方法 第1部分：三氧化钨含量的测定 钨酸铵灼烧重量法 |
China National Standards state |
 English PDF |
| GB/T 23270.2-2023 |
Information and Documentation Open Systems Interconnection Interlibrary Loan Application Protocol Specification Part 2: Protocol Implementation Conformance statement (PICS) Provisions 信息与文献 开放系统互连 馆际互借应用协议规范 第2部分：协议实施一致性声明（PICS）条文 |
China National Standards state |
English PDF |
| GB/T 28782.2-2023 |
Hydraulic transmissions - Measurement technology Part 2: Measurement of mean steady-state pressure in closed circuits 液压传动 测量技术 第2部分：密闭回路中平均稳态压力的测量 |
China National Standards state |
English PDF |
| GB/T 42542-2023 |
Fiber-reinforced composite materials, sealed pressure vessel, accelerated moisture absorption and supersaturated state adjustment method 纤维增强复合材料 密封压力容器加速吸湿及过饱和状态调节方法 |
China National Standards state |
English PDF |
| GB/T 8190.4-2023 |
Reciprocating internal combustion engines - Emissions measurement - Part 4: Steady-state and transient test cycles for engines of different uses 往复式内燃机 排放测量 第4部分：不同用途发动机的稳态和瞬态试验循环 |
China National Standards state |
English PDF |
| GB/T 17491-2023 |
Hydraulic transmissions - Pumps, motors - Test methods for steady-state performance 液压传动 泵、马达 稳态性能的试验方法 |
China National Standards state |
English PDF |
| GB/T 42506-2023 |
Specifications for publicity of procurement credit information of state-owned enterprises 国有企业采购信用信息公示规范 |
China National Standards state |
English PDF |
| GB/T 41584-2022 |
Requirements for thermal state performance test before fuel loading in pressurized water reactor nuclear power plant 压水堆核电厂装料前热态性能试验要求 |
China National Standards state |
English PDF |
| GB/T 41587-2022 |
Requirements for cold-state performance test before fuel loading in pressurized water reactor nuclear power plant 压水堆核电厂装料前冷态性能试验要求 |
China National Standards state |
English PDF |
| GB/T 41676-2022 |
Cranes—General rules for design—Limit state and capability verification of forged steel hooks 起重机 设计通则 锻钢吊钩的极限状态和能力验证 |
China National Standards state |
English PDF |
| GB/T 41767-2022 |
Test method for moisture absorption performance and equilibrium state adjustment of polymer matrix composites 聚合物基复合材料吸湿性能及平衡状态调节试验方法 |
China National Standards state |
English PDF |
| GB/T 41743-2022 |
Rapid detection and evaluation method of vacuum glass insulation performance and its attenuation - unsteady state method 真空玻璃保温性能及其衰减快速检测评估方法 非稳态法 |
China National Standards state |
English PDF |
| GB/T 40280-2021 |
Plastics—Resins in the liquid state or as emulsions or dispersions—Determination of apparent viscosity using a single cylinder type rotational viscometer method 塑料 液态或乳液态或分散体系的树脂 用单筒旋转黏度计测定表观黏度 |
China National Standards state |
English PDF |
| GB/T 4657-2021 |
Codes for the central party and state organs people’s communities and the other state organizations 中央党政机关、人民团体及其他机构代码 |
China National Standards state |
English PDF |
| GB/T 13976-2021 |
Radioactive source term of pressurized water reactor nuclear power plant for operation states 压水堆核电厂运行状态下的放射性源项 |
China National Standards state |
English PDF |
| GB/T 40771-2021 |
Representations of 3D features of urban real estate 城市不动产三维空间要素表达 |
China National Standards state |
English PDF |
| GB/T 14513.3-2020 |
Pneumatic fluid power—Determination of flow-rate characteristics of components using compressible fluids—Part 3:Method for calculating steady-state flow-rate characteristics of systems 气动 使用可压缩流体元件的流量特性测定 第 3 部分：系统稳态流量特性的计算方法 |
China National Standards state |
English PDF |
| GB/T 38473-2020 |
Textiles－Determination of drying rate in dynamic state (sweating guarded-hotplate test) 纺织品 动态条件下干燥速率的测定（蒸发热板法） |
China FZ - Textile Industry Standards state |
English PDF |
| GB/T 20996.1-2020 |
Performance of high-voltage direct current (HVDC) systems with line-commutated converters—Part 1: Steady-state conditions 采用电网换相换流器的高压直流系统的性能 第1部分：稳态 |
China National Standards state |
English PDF |
| GB/T 37362.1-2019 |
Paints and varnishes—Drying tests—Part 1: Determination of through-dry state and through-dry time 色漆和清漆 干燥试验 第1部分：完全干燥状态和完全干燥时间的测定 |
China National Standards state |
English PDF |
| GB/T 20730.2-2019 |
Instruments with analogue inputs and two-or multi-state outputs for use in industrial-process control systems—Part 2:Guidance for inspection and routine testing 工业过程控制系统用模拟输入两位或多位输出仪表 第2部分:检查和例行试验导则 |
China National Standards state |
English PDF |
| GB/T 37015.2-2018 |
Performance of high-voltage direct current power transmission system using voltage sourced converters (VSC-HVDC)—Part 2: Transient-state 柔性直流输电系统性能-第2部分：暂态 |
China National Standards state |
English PDF |
| GB/T 37015.1-2018 |
Performance of high-voltage direct current power transmission system using voltage sourced converters (VSC-HVDC)—Part1: Steady-state 柔性直流输电系统性能-第1部分：稳态 |
China National Standards state |
English PDF |
| GB/T 36512-2018 |
General requirements for solid-state remote power controllers of aircraft 飞机固态远程功率控制器通用要求 |
China National Standards state |
English PDF |
| GB/T 36355-2018 |
Information technology—Test method of solid state disk 信息技术 固态盘测试方法 |
China National Standards state |
English PDF |
| GB/T 36533-2018 |
Determination of the chemical state of micro-iron in silicate—Auger electron spectroscopy 硅酸盐中微颗粒铁的化学态测定 俄歇电子能谱法 |
China National Standards state |
English PDF |
| GB/T 36640-2018 |
Solid-state relay 固体继电器 |
China National Standards state |
English PDF |
| GB/T 11048-2018 |
Textiles－Physiological effects－Measurement of thermal and water-vapour resistance under steady-state conditions(sweating guarded-hotplate test) 纺织品 生理舒适性 稳态条件下热阻和湿阻的测定(蒸发热板法) |
China National Standards state |
English PDF |
| GB/T 34840.1-2017 |
Information and documentation—Principles and functional requirements for records in electronic office environments—Part 1:Overview and statement of principles 信息与文献 电子办公环境中文件管理原则与功能要求 第1部分: 概述和原则 |
China National Standards state |
English PDF |
| GB/T 34825-2017 |
Compiling requirements for statement of work of space project 航天项目工作说明编写要求 |
China National Standards state |
English PDF |
| GB/T 33977-2017 |
Methods to quantify the steady state, power-frequency electrimagnetic fields generated by HV switchgear assemblies and HV/LV prefabricated substations 高压成套开关设备和高压/低压预装式变电站产生的稳态、工频电磁场的量化方法 |
China National Standards state |
English PDF |
| GB/T 14513.1-2017 |
Pneumatic fluid power—Determination of flow-rate characteristics of components using compressible fluids—Part 1: General rules and test methods for steady-state flow 气动 使用可压缩流体元件的流量特性测定 第1部分：稳态流动的一般规则和试验方法 |
China National Standards state |
English PDF |
| GB/T 24157-2017 |
Test methods of range and indication for the state of charge for electric motorcycles and electric mopeds 电动摩托车和电动轻便摩托车续驶里程及残电指示试验方法 |
China National Standards state |
English PDF |
| GB/T 35236-2017 |
Specifications for surface meteorological observation—Ground state 地面气象观测规范 地面状态 |
China National Standards state |
English PDF |
| GB/T 33393-2016 |
Footwear—Test methods for whole shoes—Measurement of thermal and water-vapour resistance under steady-state conditions 鞋类 整鞋试验方法 稳态条件下热阻和湿阻的测定 |
China National Standards state |
English PDF |
| GB/T 2423.3-2016 |
Environmental testing—Part 2：Testing method—Test Cab:Damp heat,steady state 环境试验 第2部分：试验方法 试验Cab：恒定湿热试验 |
China National Standards state |
English PDF |
| GB/T 2521.1-2016 |
Cold-rolled electrical steel delivered in the fully-processed state—Part 1: Grain non-oriented steel strip（sheet） 全工艺冷轧电工钢 第1部分：晶粒无取向钢带（片） |
China National Standards state |
English PDF |
| GB/T 2521.2-2016 |
Cold-rolled electrical steel delivered in the fully-processed state—Part 2: Grain-oriented steel strip（sheet） 全工艺冷轧电工钢 第2部分：晶粒取向钢带（片） |
China National Standards state |
English PDF |
| GB/T 24218.10-2016 |
Textiles—Test methods for nonwovens—Part 10: Lint and other particles generation in the dry state 纺织品 非织造布试验方法 第10部分：干态落絮的测定 |
China National Standards state |
English PDF |
| GB/T 32374-2015 |
Phrase and codification of chemical hazard statements 化学品危险信息短语与代码 |
China National Standards state |
English PDF |
| GB/T 32065.6-2015 |
Environmental test methods for oceanographic instruments—Part 6：Damp heat, steady state 海洋仪器环境试验方法 第6部分：恒定湿热试验 |
China National Standards state |
English PDF |
| GB/T 17370-2015 |
Determination of stead-state thermal transmissivity of a moist building material 含湿建筑材料稳态传热率的测定 |
China National Standards state |
English PDF |
| GB 51115-2015 |
Code for design of solid-state polycondensation plant 固相缩聚工厂设计规范 |
China National Standards state |
English PDF |
| GB/T 50291-2015 |
Code for real estate appraisal 房地产估价规范 |
China National Standards state |
English PDF |
| GB/T 30973-2014 |
Information technology―Representation for human communication of state transition of software 信息技术 软件状态转换的人际通信表示 |
China National Standards state |
English PDF |
| GB/T 17951.2-2014 |
Cold-rolled non-oriented electrical steel strip delivered in the semi-processed state 半工艺冷轧无取向电工钢带 |
China National Standards state |
English PDF |
| GB/T 11833-2014 |
Determination of steady-state thermal transmission properties of thermal insulation―Spherical method 绝热材料稳态传热性质的测定 圆球法 |
China National Standards state |
English PDF |
| GB/T 2423.40-2013 |
Environmental testing―Part 2: Test methods―Test Cx: Damp heat, steady state (unsaturated pressurized vapour) 环境试验 第2部分：试验方法 试验Cx：未饱和高压蒸汽恒定湿热 |
China National Standards state |
English PDF |
| GB/T 29731-2013 |
Surface chemical analysis - High resolution auger electron spectrometers - Calibration of energy scales for elemental and chemical-state analysis 表面化学分析 高分辨俄歇电子能谱仪 元素和化学态分析用能量标校准 |
China National Standards state |
English PDF |
| GB/T 50899-2013 |
Standard for basic terminology of real estate appraisal 房地产估价基本术语标准 |
China National Standards state |
English PDF |
| GB/T 29167-2012 |
Petroleum and natural gas industries - Pipeline transportation systems - Reliability-based limit state methods 石油天然气工业 管道输送系统 基于可靠性的极限状态方法 |
China National Standards state |
English PDF |
| GB/T 15175-2012 |
Measurement methods for main parameter of solid state lasers 固体激光器主要参数测量方法 |
China National Standards state |
English PDF |
| GB/T 28782.2-2012 |
Hydraulic fluid power - Measurement techniques - Part 2: Measurement of average steady-state pressure in a closed conduit 液压传动测量技术 第2部分：密闭回路中平均稳态压力的测量 |
China National Standards state |
English PDF |
| GB/T 4937.4-2012 |
Semiconductor devices - Mechanical and climatic test methods - Part 4: Damp heat, steady state, highly accelerated stress test (HAST) 半导体器件 机械和气候试验方法 第4部分：强加速稳态湿热试验（HAST） |
China National Standards state |
English PDF |
| GB/T 15490-2012 |
General specification for solid state lasers 固体激光器总规范 |
China National Standards state |
English PDF |
| GB/T 2423.50-2012 |
Environmental testing - Part 2: Test methods - Test Cy: Damp heat，steady state，accelerated test primarily intended for components 环境试验 第2部分：试验方法 试验Cy: 恒定湿热 主要用于元件的加速试验 |
China National Standards state |
English PDF |
| GB/T 28279.2-2012 |
Plain bearings - Hydrostatic plain journal bearings with drainage grooves under steady-state conditions - Part 2: Characteristic values for calculation of oil-lubricated plain journal bearings with drainage grooves 滑动轴承 稳态条件下带回油槽流体静压径向滑动轴承 第2部分：带回油槽油润滑径向滑动轴承计算的特性值 |
China National Standards state |
English PDF |
| GB/T 28279.1-2012 |
Plain bearing - Hydrostatic plain journal bearings with drainage grooves under steady-state conditions - Part 1: Calculation of oil-lubricated plain journal bearings with drainage grooves 滑动轴承 稳态条件下带回油槽流体静压径向滑动轴承 第1部分：带回油槽油润滑径向滑动轴承的计算 |
China National Standards state |
English PDF |
| GB/T 28278.2-2012 |
Plain bearings - Hydrostatic plain journal bearings without drainage grooves under steady-state conditions - Part 2: Characteristic values for calculation of oil-lubricated plain journal bearings without drainage grooves 滑动轴承 稳态条件下不带回油槽流体静压径向滑动轴承 第2部分：不带回油槽油润滑径向滑动轴承计算的特性值 |
China National Standards state |
English PDF |
| GB/T 28278.1-2012 |
Plain bearings - Hydrostatic plain journal bearings without drainage grooves under steady-state conditions - Part 1: Calculation of oil-lubricated plain journal bearings without drainage grooves 滑动轴承 稳态条件下不带回油槽流体静压径向滑动轴承 第1部分：不带回油槽油润滑径向滑动轴承的计算 |
China National Standards state |
English PDF |
| GB/T 17178.7-2011 |
Information technology - Open systems interconnection - Conformance testing methodology and framework - Part 7: Implementation conformance statements 信息技术 开放系统互连 一致性测试方法和框架 第7部分：实现一致性声明 |
China National Standards state |
English PDF |
| GB/T 26855-2011 |
Information security technology - Public key infrastructure - Certificate policy and certification practice statement framework 信息安全技术 公钥基础设施 证书策略与认证业务声明框架 |
China National Standards state |
English PDF |
| GB/T 17491-2011 |
Hydraulic fluid power - Positive-displacement pumps,motor and integral transmissions - Methods of testing and presenting basic steady state performance 液压泵、马达和整体传动装置 稳态性能的试验及表达方法 |
China National Standards state |
English PDF |
| GB/T 16656.56-2010 |
Industrial automation systems and integration - Product data representation and exchange - Part 56: Integrated generic resource: state 工业自动化系统与集成 产品数据表达与交换 第56部分：集成通用资源：状态 |
China National Standards state |
English PDF |
| GB/T 12085.16-2010 |
Optics and optical instruments - Environmental test methods - Part 16: Combined bounce or steady-state acceleration and dry heat or cold 光学和光学仪器 环境试验方法 第16部分：弹跳或恒加速度与高温、低温综合试验 |
China National Standards state |
English PDF |
| GB/T 26033-2010 |
Ammonium metatungstate 偏钨酸铵 |
China National Standards state |
English PDF |
| GB/T 8190.4-2010 |
Reciprocating internal combustion engines - Exhaust emission measurement - Part 4: Steady-state test cycles for different engine applications 往复式内燃机 排放测量 第4部分：不同用途发动机的稳态试验循环 |
China National Standards state |
English PDF |
| GB/T 10093-2009 |
Probabilistic limit states design(Normal-Normal mode) 概率极限状态设计（正态-正态模式） |
China National Standards state |
English PDF |
| GB/T 24424-2009 |
Holdings statements 馆藏说明 |
China National Standards state |
English PDF |
| GB/T 23892.3-2009 |
Plain bearings - Hydrodynamic plain tilting pad thrust bearings under steady-state conditions - Part 3: Guide values for the calculation of tilting pad thrust bearings 滑动轴承 稳态条件下流体动压可倾瓦块止推轴承 第3部分：可倾瓦块止推轴承计算的许用值 |
China National Standards state |
English PDF |
| GB/T 23892.2-2009 |
Plain bearings - Hydrodynamic plain tilting pad thrust bearings under steady-state conditions - Part 2: Functions for calculation of tilting pad thrust bearings 滑动轴承 稳态条件下流体动压可倾瓦块止推轴承 第2部分：可倾瓦块止推轴承的计算函数 |
China National Standards state |
English PDF |
| GB/T 23892.1-2009 |
Plain bearings - Hydrodynamic plain tilting pad thrust bearings under steady-state conditions - Part 1: Calculation of tilting pad thrust bearings 滑动轴承 稳态条件下流体动压可倾瓦块止推轴承 第1部分：可倾瓦块止推轴承的计算 |
China National Standards state |
English PDF |
| GB/T 23891.3-2009 |
Plain bearings - Hydrodynamic plain thrust pad bearings under steady-state conditions - Part 3: Guide values for the calculation of thrust pad bearings 滑动轴承 稳态条件下流体动压瓦块止推轴承 第3部分：瓦块止推轴承计算的许用值 |
China National Standards state |
English PDF |
| GB/T 23891.2-2009 |
Plain bearings - Hydrodynamic plain thrust pad bearings under steady-state conditions - Part 2: Functions for the calculation of thrust pad bearings 滑动轴承 稳态条件下流体动压瓦块止推轴承 第2部分：瓦块止推轴承的计算函数 |
China National Standards state |
English PDF |
| GB/T 23891.1-2009 |
Plain bearings - Hydrodynamic plain thrust pad bearings under steady-state conditions - Part 1: Calculation of thrust pad bearings 滑动轴承 稳态条件下流体动压瓦块止推轴承 第1部分：瓦块止推轴承的计算 |
China National Standards state |
English PDF |
| GB/T 4657-2009 |
Codes for the central party and state organs people’s communities and the other state organizations 中央党政机关、人民团体及其他机构代码 |
China National Standards state |
English PDF |
| GB/T 23368.2-2009 |
Methods for chemical analysis of ammonium metatungstate - Part 2: Determination of zinc content - Flame atomic absorption spectrometry 偏钨酸铵化学分析方法 第2部分：锌量的测定 火焰原子吸收光谱法 |
China National Standards state |
English PDF |
| GB/T 23368.1-2009 |
Methods for chemical analysis of ammonium metatungstate - Part 1: Determination of water insoluble content - Gravimetric analysis 偏钨酸铵化学分析方法 第1部分：水不溶物量的测定 称量法 |
China National Standards state |
English PDF |
| GB/T 18779.3-2009 |
Geometrical product specifications (GPS) - Inspection by measurement of workpieces and measuring equipment - Part 3: Guidelines for achieving agreements on measurement uncertainty statements 产品几何技术规范（GPS） 工件与测量设备的测量检验 第3部分：关于对测量不确定度的表述达成共识的指南 |
China National Standards state |
English PDF |
| GB/T 23270.2-2009 |
Information and documentation - Open systems interconnection - Interlibrary loan application protocol specification - Part 2: Protocol implementation conformance statement (PICS) proforma 信息与文献 开放系统互连 馆际互借应用协议规范 第2部分：协议实施一致性声明（PICS）条文 |
China National Standards state |
English PDF |
| GB/T 22476-2008 |
Calculation and determination of steady-state U values(thermal transmittance) of multiple glazing 中空玻璃稳态U值(传热系数)的计算及测定 |
China National Standards state |
English PDF |
| GB/T 4616-2008 |
Plastics - Phenolic moulding materials - Determination of acetone-soluble matter（apparent resin content of material in the unmoulded state） 塑料 酚醛模塑料 丙酮可溶物（未模塑态材料的表观树脂含量）测定 |
China National Standards state |
English PDF |
| GB/T 16638.2-2008 |
Aerodynamics - Concepts，quantities and symbols - Part 2：Axis systems and aircraft motion state quantities 空气动力学 概念、量和符号 第2部分：坐标轴系和飞机运动状态量 |
China National Standards state |
English PDF |
| GB/T 14410.1-2008 |
Flight mechanics－Concepts, quantities and symbols Part 1: Axis systems and motion state variables 飞行力学 概念、量和符号 第1部分：坐标轴系和运动状态变量 |
China National Standards state |
English PDF |
| GB/T 13976-2008 |
Radioactive source term of PWR nuclear power plant for operational states 压水堆核电厂运行状态下的放射性源项 |
China National Standards state |
English PDF |
| GB/T 13475-2008 |
Thermal insulation - Determination of steady-state thermal transmission Properties - Calibrated and guard hot box 绝热 稳态传热性质的测定 标定和防护热箱法 |
China National Standards state |
English PDF |
| GB/T 10296-2008 |
Thermal insulation - Determination of steady-state thermal transmission properties-pipe insulation apparatus 绝热层稳态传热性质的测定 圆管法 |
China National Standards state |
English PDF |
| GB/T 10295-2008 |
Thermal insulation-Determination of steady-state thermal resistance and related properties - Heat flow meter apparatus 绝热材料稳态热阻及有关特性的测定 热流计法 |
China National Standards state |
English PDF |
| GB/T 10294-2008 |
Thermal insulation - Determination of steady-state thermal resistance and related properties - Guarded hot plate apparatus 绝热材料稳态热阻及有关特性的测定 防护热板法 |
China National Standards state |
English PDF |
| GB/T 8331-2008 |
Determination of bulk density of ion exchange resins in wet state 离子交换树脂湿视密度测定方法 |
China National Standards state |
English PDF |
| GB/T 8330-2008 |
Determination of specific gravity of ion exchange resins in wet state 离子交换树脂湿真密度测定方法 |
China National Standards state |
English PDF |
| GB/T 18910.5-2008 |
Liquid crystal and solid-state display devices - Part 5:Environmental,endurance and mechanical test methods 液晶和固态显示器件 第5部分：环境、耐久性和机械试验方法 |
China National Standards state |
English PDF |
| GB/T 18910.3-2008 |
Liquid crystal and solid-state display devices - Part 3: Sectional specification for liquid crystal display (LCD) cells 液晶和固态显示器件 第3部分: 液晶显示屏分规范 |
China National Standards state |
English PDF |
| GB/T 11048-2008 |
Textiles - Physiological effects - Measurement of thermal and wate-vapour resistance under steady-state conditions 纺织品 生理舒适性 稳态条件下热阻和湿阻的测定 |
China National Standards state |
English PDF |
| GB/T 15972.50-2008 |
Specifications for optical fibre test methods - Part 50: Measurement methods and test procedures for environmental characteristics - Damp heat(steady state) 光纤试验方法规范 第50部分：环境性能的测量方法和试验程序 恒定湿热 |
China National Standards state |
English PDF |
| GB/T 6150.1-2008 |
Methods for chemical analysis of tungsten concentrates - Determination of tungsten trioxide content - The ammonium tungstate igniting gravimetric method 钨精矿化学分析方法 三氧化钨量的测定 钨酸铵灼烧重量法 |
China National Standards state |
English PDF |
| GB/T 21466.3-2008 |
Hydrodynamic plain journal bearings under steady-state conditions - Circular cylindrical bearings - Part 3: Permissible operational parameters 稳态条件下流体动压径向滑动轴承 圆形滑动轴承 第3部分：许用的运行参数 |
China National Standards state |
English PDF |
| GB/T 21466.2-2008 |
Hydrodynamic plain journal bearings under steady-state conditions - Circular cylindrical bearings - Part 2: Functions used in the calculation procedure 稳态条件下流体动压径向滑动轴承 圆形滑动轴承 第2部分：计算过程中所用函数 |
China National Standards state |
English PDF |
| GB/T 21466.1-2008 |
Hydrodynamic plain journal bearings under steady-state conditions - Circular cylindrical bearings -- Part 1: Calculation procedure 稳态条件下流体动压径向滑动轴承 圆柱滑动轴承 第1部分：计算过程 |
China National Standards state |
English PDF |
| GB/T 10116-2007 |
Ammonium paratungstate 仲钨酸铵 |
China National Standards state |
English PDF |
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