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    • Standard  Code Standard English Title Standard Class Order
    GB/T 12690.16-2010 Chemical analysis methods of non-rare earth impurities in rare earth metals and the oxides - Part 16: Determination of fluorine content - Ion selective electrode analysis

    China National - GB Standards
    GB/T 12689.7-2010 Methods for chemical analysis of zinc and zinc alloys - Part 7£ºDetermination of magnesium content - Flame atomic absorption spectrometric method

    China National - GB Standards
    GB/T 12689.1-2010 Methods for chemical analysis of zinc and zinc alloys - Part 1: Determination of aluminum content - Chromazurol S-polyethylene glycol octyl phenylether-cetylpyridine bromine spectrophotometry, Chromeazurol S spectrophotometric method and EDTA titrimetry

    China National - GB Standards
    GB/T 9124-2010 Specification for steel pipe flanges

    China National - GB Standards
    GB/T 9123-2010 Steel pipe blank flanges

    China National - GB Standards
    GB/T 9122-2010 Loose plate steel pipe flanges with lapped pipe end¡¢pressed collar and pressed collar with long neck

    China National - GB Standards
    GB/T 9121-2010 Loose plate steel pipe flanges with weld-on collar

    China National - GB Standards
    GB/T 9120-2010 Loose plate steel pipe flanges with weld-neck collar and with weld ring neck

    China National - GB Standards
    GB/T 9119-2010 Slip-on-welding plate steel pipe flanges

    China National - GB Standards
    GB/T 9118-2010 Loose hubbed steel pipe flanges with welding neck collor

    China National - GB Standards
    GB/T 9117-2010 Hubbed socket welding steel pipe flanges

    China National - GB Standards
    GB/T 9116-2010 Hubbed slip-on-welding steel pipe flanges

    China National - GB Standards
    GB/T 9115-2010 Steel pipe welding neck flanges

    China National - GB Standards
    GB/T 9114-2010 Hubbed screwed steel pipe flanges

    China National - GB Standards
    GB/T 9113-2010 Integral steel pipe flanges

    China National - GB Standards
    GB/T 6391-2010 Rolling bearings - Dynamic load ratings and rating life

    China National - GB Standards
    GB/T 26449-2010 Radiation hydraulic cyclone sizing units

    China National - GB Standards
    GB/T 26147-2010 Specification for ball of ball valve

    China National - GB Standards
    GB/T 26146-2010 Eccentric stmi-ball valve

    China National - GB Standards
    GB/T 26145-2010 Drain valve

    China National - GB Standards
    GB/T 26144-2010 Liner fluoroplatics for flanged ang wafer steel butterfly valve

    China National - GB Standards
    GB/T 26143-2010 Connectors for hydraulic fluid power - Test methods

    China National - GB Standards
    GB/T 26142.2-2010 Pneumatic fluid power - Five-port directional control valves,sizes 18mm and 26mm - Part 2: Mounting interface surfaces with optional electrical connector

    China National - GB Standards
    GB/T 26142.1-2010 Pneumatic fluid power - Five-port directional control valves,sizes 18mm and 26mm - Part 1: Mounting interface surfaces without electrical connector

    China National - GB Standards
    GB/T 26141.2-2010 Non-destructive testing - Qualification of radiographic film digitisation systems - Part 2: Minimum requirements

    China National - GB Standards
    GB/T 26141.1-2010 Non-destructive testing - Qualification of radiographic film digitisation systems - Part1: Definitions, quantitative measurements of image quality parameters, standard reference film and qualitative control

    China National - GB Standards
    GB/T 26140-2010 Non-destructive testing - Standards test method for determining residual stresses by neutron diffraction

    China National - GB Standards
    GB/T 14041.3-2010 Hydraulic fluid power - Filter elements - Part 3£ºVerification of collapse/burst pressure rating

    China National - GB Standards
    GB 4706.58-2010 Household and similar electrical appliances - Safety - Particular requirements for water-bed heaters

    China National - GB Standards
    GB 4706.17-2010 Household and similar electrical appliances - Safety - Particular requirements for motor-compressors

    China National - GB Standards

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