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  •  China "YD" Standards List:
  • Standard  Code Standard English Title Standard Class Order
    GB 11118.1-2011 Hydraulic fluids of L-HL¡¢L-HM¡¢L-HV¡¢L-HS and L-HG type

    China National - YD Standards

    GB/T 27569-2011 Production technical regulation for Hydrofluoric acid

    China National - YD Standards

    GB/T 11060.6-2011 Natural gas - Determination of sulfur compounds - Part 6: Determination of hydrogen sulfide, mercaptan sulfur and carbonyl sulfide sulfur by potentiometry

    China National - YD Standards

    GB/T 27593-2011 Textile dyeing and finishing auxiliaries - Determination of free formaldehyde content of amino resin agent

    China National - YD Standards

    GB/T 28019-2011 Adornment - Determination of Chromium£¨¢ö£©- 1, 5-Diphenylcarbohydrazide spectrophotometric method

    China National - YD Standards

    GB/T 26916-2011 Methods for performance evaluation of small-size integrative hydrogen energy system

    China National - YD Standards

    GB/T 26915-2011 Determination of energy conversion efficiency and quantum yield for hydrogen production in the solar photocatalytic water splitting system

    China National - YD Standards

    GB/T 26983-2011 Determination of sulfureted hydrogen£¬methyl mercaptan and ethyl mercaptan in crude oil

    China National - YD Standards

    GB/T 26961-2011 Hydraulic pressure test method of graphite lined equipment

    China National - YD Standards

    GB 50730-2011 Code for construction of metallurgical mechanical hydraulic,lubricating and dynamic equipment engineering

    China National - YD Standards

    GB 50706-2011 Code for design of occupational safety and health of water resources and hydropower projects

    China National - YD Standards

    GB 7746-2011 Anhydrous hydrogen fluoride for industrial use

    China National - YD Standards

    GB/T 10299-2011 Test method for hydrophobic nature of thermal insulation

    China National - YD Standards

    GB/T 26663-2011 Large type hydraulic pressure safety coupling

    China National - YD Standards

    GB/T 26639-2011 General specifications for open die forgings on hydraulic press

    China National - YD Standards

    GB/T 26638-2011 Classification of complexity and equivalent coefficient of open die forgings on hydraulic press

    China National - YD Standards

    GB/T 17491-2011 Hydraulic fluid power - Positive-displacement pumps,motor and integral transmissions - Methods of testing and presenting basic steady state performance

    China National - YD Standards

    GB/T 12085.20-2011 Optics and optical instruments - Environmental test methods - Part 20: Humid atmosphere containing sulfur dioxide or hydrogen sulfide

    China National - YD Standards

    GB/T 50700-2011 Technical renovation code for small hydropower station

    China National - YD Standards

    GB 50699-2011 Technical code for hydraulic vibrator foundation

    China National - YD Standards

    GB/T 5158.3-2011 Metallic powders - Determination of oxygen content by reduction methods - Part 3: Hydrogen-reducible oxygen

    China National - YD Standards

    GB/T 5158.2-2011 Metallic powders - Determination of oxygen content by reduction methods - Part 2: Loss of mass on hydrogen reduction(hydrogen loss)

    China National - YD Standards

    GB/T 4698.15-2011 Methods for chemical analysis of titanium sponge,titanium and titanium alloys - Determination of hydrogen content

    China National - YD Standards

    GB/T 26490-2011 Methods for measuring super hydrophobicity of nanomaterials

    China National - YD Standards

    GB 26484-2011 Noise limits for hydraulic presses

    China National - YD Standards

    GB/T 677-2011 Chemical reagent-Acetic anhydride

    China National - YD Standards

    GB/T 666-2011 Chemical reagent - Zinc sulfate heptahydrate

    China National - YD Standards

    GB/T 664-2011 Chemical reagent - Iron(¢ò)sulfate heptahydrate

    China National - YD Standards

    GB/T 661-2011 Chemical reagent - Ammonium iron(II) sulfate hexahydrate

    China National - YD Standards

    GB/T 657-2011 Chemical reagent - Hexaammonium heptamolybdate tetrahydrate

    China National - YD Standards


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