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  •  China "YD" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    GB/T 21598-2008 Dangerous goods - Hydraulic pressure test for portable tank

    China National - YD Standards
    GB/T 21540-2008 Hydraulic fluid power - On-line automatic particle-counting systems for liquids - Methods of calibration and validation

    China National - YD Standards
    GB/T 20975.13-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 13£ºDetermination of vanadium content N-benzoyl-Nphenylhydroxylamine spectrophotometric method

    China National - YD Standards
    GB/T 20432.3-2008 Photography - Photographic-grade chemicals - Test methods - Part 3: Determination of matter in ammonium hydroxide solution

    China National - YD Standards
    GB/T 15076.15-2008 Methods for chemical analysis of tantalum and niobium - Determination of hydrogen content

    China National - YD Standards
    GB/T 15072.12-2008 Test method of precious metal alloys - Determination of nickel contents for silver alloys - Hydrogen peroxide spectrophotometry

    China National - YD Standards
    GB/T 21512-2008 Determination of tert-butylhydroquinone(TBHQ) in edible vegetable oil

    China National - YD Standards
    GB/T 21486-2008 Hydraulic fluid power - Filter elements - Sequence of tests for verifying performance characteristics

    China National - YD Standards
    GB/T 13854-2008 Jet-pipe electro-hydraulic servo valve

    China National - YD Standards
    GB/T 7295-2008 Feed additive - vitamin B1 (thiamine hydrochloride)

    China National - YD Standards
    GB/T 2514-2008 Hydraulic fluid power - Four-port directional control valves - Mounting surfaces

    China National - YD Standards
    GB/T 21466.3-2008 Hydrodynamic plain journal bearings under steady-state conditions - Circular cylindrical bearings - Part 3: Permissible operational parameters

    China National - YD Standards
    GB/T 21466.2-2008 Hydrodynamic plain journal bearings under steady-state conditions - Circular cylindrical bearings - Part 2: Functions used in the calculation procedure

    China National - YD Standards
    GB/T 21466.1-2008 Hydrodynamic plain journal bearings under steady-state conditions - Circular cylindrical bearings -- Part 1: Calculation procedure

    China National - YD Standards
    GB/T 14571.3-2008 Ethylene glycol for industrial use - Determination of content of total aldehydes present - Spectrophotometric method

    China National - YD Standards
    GB/T 21440.1-2008 Instument for dam monitoring settlement gauge - Part 1: Hydraulic overflow settlement gauge

    China National - YD Standards
    GB/T 21450-2008 Crude petroleum and petroleum products - Compressibility factors for hydrocarbons in the range 638 kg/m3 to 1074 kg/m3

    China National - YD Standards
    GB/T 21449-2008 Water glycol fire-resistant hydraulic fluids

    China National - YD Standards
    GB/T 7939-2008 Hydraulic fluid power-Hose assemblies - Test methods

    China National - YD Standards
    GB/T 6578-2008 Hydraulic fluid power-Cylinder-Reciprocating-Housings for rod wipers-Dimensions and tolerances

    China National - YD Standards
    GB/T 12959-2008 Test methods for heat of hydration of cement

    China National - YD Standards
    GB/T 18522.6-2007 General specification for hydrometric instrument - Part 6 : Inspection regulation, mark, package, transportation£¬storage and operation manual

    China National - YD Standards
    GB/T 15966-2007 Primary parameter and general specification for hydrologic instrument

    China National - YD Standards
    GB/T 13336-2007 The series model of hydrologic instrument

    China National - YD Standards
    GB/T 21279-2007 Hydraulic test method for packaging of dangerous chemical products

    China National - YD Standards
    GB/T 6581-2007 Glass-Resistance to attack by hydrochloric acid at 100¡æ - Flame emission or flame atomic absorption spectrometric method

    China National - YD Standards
    GB/T 21221-2007 Insulating liquids - Specifications for unused insulating liquids based on synthetic aromatic hydrocarbons

    China National - YD Standards
    GB/T 17189-2007 Code for field measurement of vibrations and pulsation in hydraulic machines (turbines, storage pumps and pump-turbines)

    China National - YD Standards
    GB/T 15469.2-2007 Hydraulic turbines, storage pumps and pump-turbines cavitation pitting evaluation - Part 2: Cavitation pitting evaluation in storage pumps and pump-turbines

    China National - YD Standards
    GB/T 16416-2007 Method of extraction for the determination of sodium and potassium in brown coal soluble in dilute hydrochloric acid

    China National - YD Standards

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