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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 3768-1996 |
Acoustics--Determination of sound power levels of noise sources using sound pressure--Survey method using an enveloping measurement surface over a reflecting plane 声学 声压法测定噪声源声功率级 反射面上方采用包络测量表面的简易法 |
China National Standards over |
 English PDF |
| GB/T 3767-1996 |
Acoustics--Determination of sound power levels of noise sources using sound pressure--Engineering method in an essentially free field over a reflecting plane 声学 声压法测定噪声源声功率级 反射面上方近似自由场的工程法 |
China National Standards over |
English PDF |
| GB/T 16284.2-1996 |
Information technology--Text comnunication--Message-oriented text interchange system (MOTIS)--Part 2:overall architecture 信息技术 文本通信 面向信报的文本交换系统 第2部分:总体结构 |
China National Standards over |
English PDF |
| GB/T 790-1995 |
overhead travelling crane--Span series and lifting height series 电动桥式起重机跨度和起升高度系列 |
China National Standards over |
English PDF |
| GB 15851-1995 |
Information technology--Security techniques--Digital signature scheme giving message recovery 信息技术 安全技术 带消息恢复的数字签名方案 |
China National Standards over |
English PDF |
| GB 15707-1995 |
Limits of radio interference from AC high voltage overhead power transmission lines 高压交流架空送电线无线电干扰限值 |
China National Standards over |
English PDF |
| GB/T 14433-1993 |
Technical specifications for coverage networks of colour TV broadcasting 彩色电视广播覆盖网技术规定 |
China National Standards over |
English PDF |
| GB/T 13157-1991 |
overall electro-acoustic frequency response for reproduction of 35mm optical sound track--Reproduction characteristics 35 mm影片光学声迹的还音电声频率响应特性 |
China National Standards over |
English PDF |
| GB/T 13065-1991 |
Blank detail specification of gas discharge tubes for overvoltage protection 过电压保护气体放电管空白详细规范 (可供认证用) |
China National Standards over |
English PDF |
| GB/T 12949-1991 |
Plain bearings--Bimetallic busheswith plastic overlay 滑动轴承 覆有减摩塑料层的双金属轴套 |
China National Standards over |
English PDF |
| GB/T 12712-1991 |
The requirements for supervision of recovery of condensate from steam heating system and technique ofautomatic steam traps 蒸汽供热系统凝结水回收及蒸汽疏水阀技术管理要求 |
China National Standards over |
English PDF |
| GBJ 143-1990 |
Standard for protective spacing of radio interference from overhead electric lines,substations to television transposer station and retransmitting station 架空电力线路、变电所对电视差转台、转播台无线电干扰防护间距标准 |
China National Standards over |
English PDF |
| GB 11410-1989 |
Technical bases of HFBC coverage 短波广播网覆盖技术规定 |
China National Standards over |
English PDF |
| GB/T 1000.2-1988 |
Pin insulators of ceramic material for high voltage overhead lines--Dimensions and characteristics 高压线路针式瓷绝缘子尺寸与特性 |
China National Standards over |
English PDF |
| GB/T 9434-1988 |
Methods of measurement of gas discharge tubes for overvoltage protection 过电压保护气体放电管测试方法 |
China National Standards over |
English PDF |
| GB/T 9433-1988 |
General specification of gas discharge tubes for overvoltage protection 过电压保护气体放电管总规范 (可供认证用) |
China National Standards over |
English PDF |
| GB 7495-1987 |
The protecting distance betweenoverhead power line and receiving station of AM broadcasting 架空电力线路与调幅广播收音台的防护间距 |
China National Standards over |
English PDF |
| GB/T 7343-1987 |
Methods of measurement of the suppresion characteristics of passive radio interference filters and suppression components over the frequency range of 10kHz to 30MHz 10 kHz～30 MHz无源无线电干扰滤波器和抑制元件抑制特性的测量方法 |
China National Standards over |
English PDF |
| GB/T 6974.12-1986 |
Lifting appliances--Vocabulary--overhead travelling cranes 起重机械名词术语 桥式起重机 |
China National Standards over |
English PDF |
| GB/T 4872-1985 |
Office machines and data processing equipment--Principles governing the positioning of control keys on key-boards 办公机器和数据处理设备键盘上控制键定位的原则 |
China National Standards over |
English PDF |
| GB/T 3895-1983 |
Graphical symbols for ships’ deck covering and insulation materials 船舶甲板敷料和绝缘材料图形符号 |
China National Standards over |
English PDF |
| GB 2017-1980 |
Covering technique of the medium-wave broadcastingnetwork 中波广播网覆盖技术 |
China National Standards over |
English PDF |
| GB 2017-1980 |
Covering technique of the medium-wave broadcastingnetwork 中波广播网覆盖技术 |
China National Standards over |
English PDF |
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