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    GB/T 4678.8-2017 Diecasting dies¡ªComponents¡ªPart 8: Ejector plate

    China National - GB Standards

    GB/T 19498-2017 Protective structures on agricultural and forestry tractors¡ªStatic testing method and accepting condition

    China National - GB Standards

    GB/T 1479.3-2017 Metallic powders£­Determination of apparent density£­Part 3: Oscillating funnel method

    China National - GB Standards

    GB/T 23592-2017 Catalyst for motorcycle exhaust purification

    China National - GB Standards

    GB/T 5668-2017 Rotary tiller

    China National - GB Standards

    GB/T 13747.14-2017 Methods for chemical analysis of zirconium and zirconium alloys¡ªPart 14£ºDetermination of uranium content¡ªPolarography

    China National - GB Standards

    GB/T 13747.19-2017 Methods for chemical analysis of zirconium and zirconium alloys¡ªPart19£ºDetermination of titanium content¡ªDiantipyrylmethane spectrophotometry and the inductively coupled plasma atomic emission spectrometry

    China National - GB Standards

    GB/T 13747.16-2017 Methods for chemical analysis of zirconium and zirconium alloys¡ªPart 16£ºDetermination of chloric content¡ªSilver chloride nephelometry and ion selective electrode method

    China National - GB Standards

    GB/T 13747.25-2017 Methods for chemical analysis of zirconium and zirconium alloys¡ªPart 25£ºDetermination of niobium content¡ª2-(5-bromo-2-pyridylazo)-5-diethylam inophenol spectrophotometry and inductively coupled plasma atomic emission spectrometry

    China National - GB Standards

    GB/T 13747.17-2017 Methods for chemical analysis of zirconium and zirconium alloys¡ªPart 17£ºDetermination of cadmium content¡ªPolarography

    China National - GB Standards

    GB/T 19587-2017 Determination of the specific surface area of solids by gas adsorption using the BET method

    China National - GB Standards

    GB/T 4678.9-2017 Diecasting dies¡ªComponents¡ªPart 9: Ejector guide pillar

    China National - GB Standards

    GB/T 4678.5-2017 Diecasting dies¡ªcomponents¡ªPart 5: Round guide pillar

    China National - GB Standards

    GB/T 8844-2017 Diecasting dies¡ªSpecifications

    China National - GB Standards

    GB/T 4678.6-2017 Diecasting dies¡ªComponents¡ªPart 6: Headed guide bush

    China National - GB Standards

    GB/T 4678.1-2017 Diecasting dies¡ªComponents¡ªPart 1: Die plates

    China National - GB Standards

    GB/T 4678.7-2017 Diecasting dies¡ªComponents¡ªPart 7: Straight guide bush

    China National - GB Standards

    GB/T 18685-2017 The blank diameters for rolling general purpose metric screw threads

    China National - GB Standards

    GB/T 5754.2-2017 Steel cord conveyor belts¡ªLongitudinal traction test¡ªPart 2: Measurement of tensile strength

    China National - GB Standards

    GB/T 13747.22-2017 Methods for chemical analysis of zirconium and zirconium alloys¡ªPart 22£ºDetermination of oxygen and nitrogen contents¡ªInert gas fusion-infrared absorption and thermal conductivity method

    China National - GB Standards

    GB/T 13747.24-2017 Methods for chemical analysis of zirconium and zirconium alloys¡ªPart 24£ºDetermination of carbon content¡ªInfrared absorption method after high frequency combustion

    China National - GB Standards

    GB/T 34444-2017 Paper and board¡ªDetermination of the layer peel strength

    China National - GB Standards

    GB/T 34455-2017 Paper,board and pulps¡ªDetermination of 2,2-bis(4-hydroxyphenyl) propane (bisphenol A )¡ªLiquid chromatography

    China National - GB Standards

    GB/T 9473-2017 Performance requirements for table lamps for paper task

    China National - GB Standards

    GB/T 4678.10-2017 Diecasting dies¡ªComponents¡ªPart 10: Ejector guide bush

    China National - GB Standards

    GB/T 13747.1-2017 Methods for chemical analysis of zirconium and zirconium alloys¡ªPart 1£ºDetermination of tin content¡ªPotassium iodate titration and phenylfluorone-polyethylene glycoloctyl phenyl ether spectrophotometry

    China National - GB Standards

    GB/T 4698.23-2017 Methods for chemical analysis of titanium sponge£¬titanium and titanium alloys¡ªPart 23£ºDetermination of palladium content¡ªStannous choride-potassium iodide spectrophotometry and inductively coupled plasma atomic emission spectrometry

    China National - GB Standards

    GB/T 4698.13-2017 Methods for chemical analysis of titanium sponge,titanium and titanium alloys¡ªPart 13£ºDetermination of zirconium content¡ªEDTA complexometric titration and inductively coupled plasma atomic emission spectrometry

    China National - GB Standards

    GB/T 4437.2-2017 Aluminium and aluminium alloy extruded tubes¡ªPart 2£ºSeam tubes

    China National - GB Standards

    GB/T 4698.25-2017 Methods for chemical analysis of titanium sponge, titanium and titanium alloys¡ªPart 25£ºDetermination of chlorine content¡ªSilver chlorin spectrophotometry

    China National - GB Standards


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