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  •  China "YD" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    YD/T 1526.3-2009 Technical specifications of single fiber bi-directional triplexer optical transceiver for access network. Part 3: Single fiber bi-directional triplexer optical transceiver for GPON ONU

    China Telecommunication - YD Standards
    YD/T 1289.6-2009 Technical specification for SDH transport network management system. Part 6: EMS-NMS interface information model based on IDL/IIOP

    China Telecommunication - YD Standards
    YD/T 1258.3-2009 The series of indoor optical fiber cables. Part 3: Simplex and duplex cable for use in premises cabling

    China Telecommunication - YD Standards
    YD/T 1258.2-2009 The series of indoor optical fiber cables. Part 2: Simplex and duplex cable for use in terminated cable assemblies

    China Telecommunication - YD Standards
    YD/T 1972.1-2009 Technical requirements for 800MHz/2GHz cdma2000 digital cellular mobile telecommunication network multimedia domain equipment. Part 1: Call control equipments

    China Telecommunication - YD Standards
    SH/T 1494-2009 Determination of carbonyls in C4 hydrocarbons. Volumetric method

    China Petrochemical Industry - YD Standards
    HG/T 4120-2009 Calcium hydroxide for industrial use

    China Chemical Industry - YD Standards
    HG/T 3585-2009 Sodium borohydride for industrial use

    China Chemical Industry - YD Standards
    HG/T 3311-2009 Determination of the thermal stability of poly (vinyl chloride) resins. Absorption of hydrogen chloride in water method

    China Chemical Industry - YD Standards
    HG/T 3061-2009 Rubber compounding ingredients. Silica, precipitated, hydrated

    China Chemical Industry - YD Standards
    HG/T 2965-2009 Disodium hydrogen phosphate for industrial use

    China Chemical Industry - YD Standards
    HG/T 2833-2009 Zinc dihydrogen phosphate for industrial use

    China Chemical Industry - YD Standards
    HG/T 2831-2009 Manganese dihydrogen phosphate for industrial use

    China Chemical Industry - YD Standards
    HG/T 2778-2009 High pure hydrochloric acid

    China Chemical Industry - YD Standards
    HG/T 2767-2009 Sodium dihydrogen phosphate for industrial use

    China Chemical Industry - YD Standards
    HG/T 2229-2009 Water treatment chemicals. Maleic anhydride-acrylic acid copolymer

    China Chemical Industry - YD Standards
    QC/T 816-2009 Specification of mobile hydrogen refueling vehicles

    China Automobile & Vehicle industry - YD Standards
    HJ 482-2009 Ambient air. Determination of sulfur dioxide. Formaldehyde absorbing-pararosaniline spectrophotometry

    China Environmental Protection Industry - YD Standards
    HJ 479-2009 Ambient air. Determination of nitrogen oxides. N-(1-Naphthyl) ethylene diamine dihydrochloride spectrophotometric method

    China Environmental Protection Industry - YD Standards
    HJ 485-2009 Water quality. Determination of copper. Sodium diethydlthiocabamate spectrophotometric method

    China Environmental Protection Industry - YD Standards
    HJ 478-2009 Water quality. Determination of polycyclic aromatic hydrocarbons. Liquid-liquid extraction and solid-phase extraction followed by high performance liquid chromatographic method

    China Environmental Protection Industry - YD Standards
    JT/T 753-2009 Le Chatelier for determining of hydraulic cement

    China Highway & Transportation - YD Standards
    DL/T 5439-2009 Design regulations of content and profundity for hydro and fossil fuel power plant connecting to the system

    China Electricity & Power - YD Standards
    DL/T 5433-2009 Test code for hydraulic roller compacted concrete

    China Electricity & Power - YD Standards
    DL/T 5431-2009 Specification for hydrologic computation of hyower and water resources

    China Electricity & Power - YD Standards
    DL/T 5420-2009 Technological guide for stator assembly in site of hydro-generators

    China Electricity & Power - YD Standards
    DL/T 5419-2009 Specification for water and soil conservation technical schemes of hydropower project

    China Electricity & Power - YD Standards
    DL/T 5416-2009 Specification of strong motion safety monitoring for hydraulic structures

    China Electricity & Power - YD Standards
    DL/T 5413-2009 Designing code for measuring device of hydraulic power plants

    China Electricity & Power - YD Standards
    DL/T 5412-2009 Design code of automatic fire alarm system for hydraulic power plants

    China Electricity & Power - YD Standards

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