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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.
  •  China "DL" GB Standards List:
  • Standard  Code GB Standard Title Standard Class Order
  • DL/T 5099-1999
  • Construction technical specifications on underground excavating engineering of hydraulic structures DL
    China Electricity & Power Standards
  • DL/T 664-1999
  • Technical guide for infrared diagnosis of alive equipment DL
    China Electricity & Power Standards
  • DL/T 679-1999
  • Code for welder technical qualification DL
    China Electricity & Power Standards
  • DL/T 665-1999
  • The acceptance standard of water and steam integrated sampling and on-line analysing unit DL
    China Electricity & Power Standards
  • DL/T 671-1999
  • General specifications for microprocessor-based generator-transformer unit protection equipment DL
    China Electricity & Power Standards
  • DL/T 5092-1999
  • Technical code for designing 110~500kV overhead transmission line DL
    China Electricity & Power Standards
  • DL/T 666-1999
  • Code on operation of wind power plant DL
    China Electricity & Power Standards
  • HG/T 3021-1999
  • Determination of acetic acid yiDLe Of unplasticized cellulose acetate DL
    China Chemical Industry Standards
  • YY 0285.5-1999
  • Sterile, single-use intravascular catheters. Part 5: Over-neeDLe peripheral catheters DL
    China Medicine & Medical Device Standards
  • CJ/T 24-1999
  • Plant materials for urban green space. Tree seeDLings DL
    China Urban Construction industry Standards
  • CJ/T 23-1999
  • (Urban landscape nursery seeDLing technical regulations) DL
    China Urban Construction industry Standards
  • CJ/T 23-1999
  • (Urban landscape nursery seeDLing technical regulations) DL
    China Urban Construction industry Standards
  • CJ/T 24-1999
  • Plant materials for urban green space. Tree seeDLings DL
    China Urban Construction industry Standards
  • QB/T 2442.3-1999
  • (Cut dual twisted clip pliers. Bladed neeDLe nose pliers) DL
    China Light Industry Standards
  • QB/T 2440.1-1999
  • (Clip pliers twist. NeeDLe nose pliers) DL
    China Light Industry Standards
  • SN/T 0770-1999
  • Determination of silicon oxide in midDLe carbon flake graphite. Molybdenum blue photometric method DL
    China Import Export Inspection Standards
  • TB/T 2940-1999
  • (Technical requirements LTL HanDLing Facilities) DL
    China Railway & Train Standards
  • YY/T 91140-1999
  • Blood transfusion neeDLes DL
    China Medicine & Medical Device Standards
  • YY/T 91148-1999
  • Lumbar puncture neeDLes DL
    China Medicine & Medical Device Standards
  • QB/T 3853.3-1999
  • (Twist clip pliers with cutting edge dual-use neeDLe-nose pliers) DL
    China Light Industry Standards
  • JJG(JT)015-1999
  • Verification Regulation of HeaDLamp for Vehicle TesterAligner DL
    China Metrological Standards
  • QB/T 3851.1-1999
  • (Twist clip pliers neeDLe nose pliers) DL
    China Light Industry Standards
  • QC/T 505-1999
  • (Automotive heaDLight switch technical conditions) DL
    China Automobile & Vehicle industry Standards
  • QC/T 511-1999
  • (Automotive diesel injector neeDLe Couples technical conditions) DL
    China Automobile & Vehicle industry Standards
  • FZ/T 92054-1999
  • (Twisting spinDLes) DL
    China Textile & Garment industry Standards
  • QC/T 446-1999
  • (Towing tractor seat sadDLe) DL
    China Automobile & Vehicle industry Standards
  • GB/T 17638-1998
  • Geosynthetics--Synthetic staple fibers neeDLepunched nonwoven geotextiles DL
    China National Standards
  • GB/T 17605-1998
  • Petroleum anDLiquid petroleum products--Volumetric calibration of horizontal cylindrical metal tanks(Manual methods) DL
    China National Standards
  • QB/T 2399-1998
  • (Watch shank with head and hanDLe head tube dimension series) DL
    China Light Industry Standards
  • GB 5948-1998
  • Photometric characteristics of motocycle heaDLamps epuipped with filament light sources DL
    China National Standards
  • DL/T 648-1998
  • Impeller pulverized coal feeder DL
    China Electricity & Power Standards
  • GB/T 290-1998
  • Rolling bearings--NeeDLe roller bearings锛宒rawn cup without inner rings--Boundary dimensions DL
    China National Standards
  • SY/T 6356-1998
  • The storage and hanDLing of liquefied petroleum gases DL
    China Oil & Gas Industry Standards
  • FZ/T 93047-1998
  • NeeDLe loom DL
    China Textile & Garment industry Standards
  • FZ/T 93048-1998
  • Felting neeDLes DL
    China Textile & Garment industry Standards
  • TB/T 2925-1998
  • (Long-distance railway manual telephone exchange equipment technical conditions corDLess) DL
    China Railway & Train Standards
  • TB/T 2928-1998
  • (Railway yard hanDLing machinery common technical requirements and configuration) DL
    China Railway & Train Standards
  • DL/T 633-1997
  • Code of investigation and statistics for accidenis rural electric networks DL
    China Electricity & Power Standards
  • HG/T 3131-1998
  • PadDLe dryer DL
    China Chemical Industry Standards
  • DL/T 653-1998
  • Specification of discharge coils for high voltage shunt capacitor for order DL
    China Electricity & Power Standards
  • DL/T 5083-1998
  • Construction guide for prestressed tendon of hydraulic tunnel with concrete lining DL
    China Electricity & Power Standards
  • DL/T 654-1998
  • The technical guide for the life assessment of overage units in fossil power plants DL
    China Electricity & Power Standards
  • DL/T 5084-1998
  • Technical code of hydrology for electrical power projects DL
    China Electricity & Power Standards
  • DL/T 651-1998
  • Requirements for hydrogen humidity of generators using hydrogen as a coolant DL
    China Electricity & Power Standards
  • DL/T 659-1998
  • Code for on-line acceptance test of distributed control system in fossil fuel power plant DL
    China Electricity & Power Standards
  • DL/T 655-1998
  • Code for on-line acceptance test of furnace safeguard supervisory system in fossil fuel power plant DL
    China Electricity & Power Standards
  • DL 647-1998
  • Inspection code for boiler and pressure vessel of the power industry DL
    China Electricity & Power Standards
  • DL/T 660-1998
  • Test procedure for coal ash high-temperature viscosity characteristic DL
    China Electricity & Power Standards
  • DL/T 652-1998
  • Technical guidelines for metallurgic replica DL
    China Electricity & Power Standards
  • DL/T 649-1998
  • Impeller coal feeder DL
    China Electricity & Power Standards
  • DL/T 646-1998
  • Technical specification of manufacturing steel transmission pole structures DL
    China Electricity & Power Standards
  • DL/T 656-1998
  • Code for on-line acceptance test of turbine control system in fossil fuel power plant DL
    China Electricity & Power Standards
  • DL/T 657-1998
  • Code for on-line acceptance test of modulating control system in fossil fuel power plant DL
    China Electricity & Power Standards
  • DL/T 658-1998
  • Code for on-line acceptance test of sequence control system in fossil fuel power plant DL
    China Electricity & Power Standards
  • DL/T 5082-1998
  • Design specifications of hydraulic structures against ice and freezing action DL
    China Electricity & Power Standards
  • HG/T 3116-1998
  • Glass plant, pipeline and fittings - General rules for testing, hanDLing and use DL
    China Chemical Industry Standards
  • DL/T 650-1998
  • Specification for potential source static exciter systems for large turbine generators DL
    China Electricity & Power Standards
  • GB/T 17242-1998
  • Guidelines for complaints hanDLing DL
    China National Standards
  • TB/T 2884.6-1998
  • (D-bearing sadDLe measuring tool. Chord Gage) DL
    China Railway & Train Standards
  • TB/T 2884.4-1998
  • (D-bearing sadDLe Gage I. box model) DL
    China Railway & Train Standards
  • TB/T 2884.3-1998
  • (D-bearing sadDLe Gage I. underside box model) DL
    China Railway & Train Standards
  • TB/T 2884.1-1998
  • (D-bearing sadDLe Gage thrust shoulder block model) DL
    China Railway & Train Standards
  • TB/T 2884.2-1998
  • (D-bearing sadDLe measuring tool. Saddle surface width template) DL
    China Railway & Train Standards
  • TB/T 2884.7-1998
  • (D-bearing sadDLe measuring tool. Top thickness measurement scale) DL
    China Railway & Train Standards
  • TB/T 2884.5-1998
  • (D-bearing sadDLe measuring tool. Symmetry Measuring) DL
    China Railway & Train Standards
  • DL/T 645-1997
  • Multi-function watt-hour meter communication protocol DL
    China Electricity & Power Standards
  • DL/T 639-1997
  • Safety and protection rules for operation, test and maintenace personnel of SF. In electrical apparatus DL
    China Electricity & Power Standards
  • DL/T 637-1997
  • Specification for order of the valve regulated sealed lead-acid batteries DL
    China Electricity & Power Standards
  • DL/T 638-1997
  • Technological code for repairing and rehabilitating utility boiler refractory and insulation DL
    China Electricity & Power Standards
  • DL/T 641-1997
  • Power station electric valve actuators DL
    China Electricity & Power Standards
  • DL/T 642-1997
  • Electric valve actuators for flameproof DL
    China Electricity & Power Standards
  • DL/T 643-1997
  • PDC type plate electromagnetical iron remover DL
    China Electricity & Power Standards
  • DL/T 644-1997
  • Travelling intake screen machinery IPQ DL
    China Electricity & Power Standards
  • DL/T 5078-1997
  • Design code for the miniaturization rural substation DL
    China Electricity & Power Standards
  • DL/T 5080-1997
  • Design code of communication for water conservancy and hydropower projects DL
    China Electricity & Power Standards
  • DL/T 636-1997
  • 500kV four conductors per phase bicycle for live working DL
    China Electricity & Power Standards
  • DL/T 640-1997
  • Technical condition for order of the ourdoor a.c high-voltage drop-out fuse and the fuse-link DL
    China Electricity & Power Standards
  • GB/T 17119-1997
  • Continuous mechanical hanDLing equipment--Belt conveyors with carrying idlers--Calculation of operating power and tensile forces DL
    China National Standards
  • GB/T 17116.3-1997
  • Pipe supports and hangers--Part 3:MidDLe connection attachments and building structure attachments DL
    China National Standards
  • DL/T 630-1997
  • Technical requirement for RTU with a.c electrical quantities input, discrete sampling DL
    China Electricity & Power Standards
  • DL/T 629-1997
  • Sepatating filters of coupling devices for power line carrier systems DL
    China Electricity & Power Standards
  • DL/T 617-1997
  • Specification for Gas-insulated metal-enclosed switchgear DL
    China Electricity & Power Standards
  • DL 5009.3-1997
  • Code of safety operation in power engineering construction (Part of substation) DL
    China Electricity & Power Standards
  • DL/T 631-1997
  • General specification for mimic board driver DL
    China Electricity & Power Standards
  • DL/T 634-1997
  • Telecontrol equipment and systems. Part 5: Transmission protocols. Section 101 companion standard for basic telecontrol tasks DL
    China Electricity & Power Standards
  • DL/T 632-1997
  • General specification for digital display of mimic board DL
    China Electricity & Power Standards
  • GB/T 5900.3-1997
  • Machine tools--SpinDLe noses and face plates--Sizes for interchangeability--Part 3:Bayonet type DL
    China National Standards
  • GB/T 5900.2-1997
  • Machine tools--SpinDLe noses and face plates--Sizes for interchangeability--Part 2:Camlock type DL
    China National Standards
  • YD/T 206.11-1997
  • Software for overhead communication lines HeaDLess through bolts DL
    China Telecommunication Standards
  • DL/T 627-1997
  • Technical specification of RTV silicon rubber anti-pollution coating for power system DL
    China Electricity & Power Standards
  • DL 5077-1997
  • Specifications for load design of hydraulic structures DL
    China Electricity & Power Standards
  • DL/T 624-1997
  • Technical specifications of test equipment based on micro-computer for relaying protection DL
    China Electricity & Power Standards
  • DL/T 628-1997
  • Specification of collective high-voltage shunt capacitor for order DL
    China Electricity & Power Standards
  • DL/T 625-1997
  • Test code for series LFP-900 high-speed protection equipment of extra-high voltage transmission line DL
    China Electricity & Power Standards
  • DL/T 623-1997
  • Evaluation rules of protection equipment and power system stability control devices DL
    China Electricity & Power Standards
  • DL/T 626-1997
  • The cap and pin type insulators aging inspection rule DL
    China Electricity & Power Standards
  • DL/T 5079-1997
  • Design specifications for hydropower headrace and forebay DL
    China Electricity & Power Standards
  • DL/T 5076-1997
  • Technical specifications for hydrological survey of 220kV overhead transmission lines DL
    China Electricity & Power Standards
  • DL/T 619-1997
  • Code of operation maintenance overhaul and test for automatic control components and their related systems for hydrogenerating sets DL
    China Electricity & Power Standards
  • DL/T 622-1997
  • Technical specifications of elastic metal-plastic segment for thrust bearings of vertical-shaft hydrogenerators DL
    China Electricity & Power Standards

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