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	GB/T 4103.4-2012 Methods for chemical analysis of lead and lead alloys - Part 4: Determination of iron content - 英文版
	GB/T 4103.3-2012 Methods for chemical analysis of lead and lead alloys - Part 3: Determination of copper content - 英文版
	GB/T 4103.2-2012 Methods for chemical analysis of lead and lead alloys - Part 2: Determination of antimony content - 英文版
	GB/T 4103.13-2012 Methods for chemical analysis of lead and lead alloys - Part 13: Determination of aluminium content - 英文版
	GB/T 4103.12-2012 Methods for chemical analysis of lead and lead alloys - Part 12: Determination of thallium content - 英文版
	GB/T 4103.1-2012 Methods for chemical analysis of lead and lead alloys - Part 1: Determination of tin content - 英文版
	GB/T 4103.11-2012 Methods for chemical analysis of lead and lead alloys - Part 11: Determination of zinc content - 英文版
	GB/T 4103.10-2012 Methods for chemical analysis of lead and lead alloys - Part 10: Determination of silver content - 英文版
	GB/T 3884.9-2012 Methods for chemical analysis of copper concentrates - Part 9: Determination of arsenic and bismuth contents - Hydride generation- atomic fluorescence spectrometry method The potassium bromate titration method and The silver diethyl dithiocarbamate photom - 英文版
	GB/T 3884.8-2012 Methods for chemical analysis of copper concentrates - Part 8: Determination of zinc content - Na2EDTA titration method - 英文版
	GB/T 3884.7-2012 Methods for chemical analysis of copper concentrates - Part 7: Determination of lead content - Na2EDTA titration method - 英文版
	GB/T 3884.6-2012 Methods for chemical analysis of copper concentrates - Part 6: Determination of lead,zinc,cadmium and nickel content - Flame atomic absorption spectrometry method - 英文版
	GB/T 3884.5-2012 Methods for chemical analysis of copper concentrates - Part 5: Determination of fluoride content - Ion selective electrode method - 英文版
	GB/T 3884.4-2012 Methods for chemical analysis of copper concentrates - Part 4: Determination of magnesium oxide content - Flame atomic absorption spectrophotometry method - 英文版
	GB/T 3884.3-2012 Methods for chemical analysis of copper concentrates - Part 3: Determination of sulfur content - Gravimetric method and Combustion-titration method - 英文版
	GB/T 3884.2-2012 Methods for chemical analysis of copper concentrates - Part 2: Determination of gold and silver contents - Flame atomic absorption spectrmetric method and fire assay method - 英文版
	GB/T 3884.14-2012 Methods for chemical analysis of copper concentrates - Part 14: Determination of gold and silver - Fire assay gravimetric and flame atomic absorption spectrometric method - 英文版
	GB/T 3884.13-2012 Methods for chemical analysis of copper concentrates - Part 13: Determination of copper - Electrogravimetric method - 英文版
	GB/T 3884.1-2012 Methods for chemical analysis of copper concentrates - Part 1: Determination of copper content - Iodine titration method - 英文版
	GB/T 3884.10-2012 Methods for chemical analysis of copper concentrstes - Part 10: Determination of Antimony content - Hydride generation atomic fluorescence spectrometry method - 英文版
	GB/T 3880.3-2012 Wrought aluminium and aluminium alloy plates，sheets and strips for general engineering - Part 3: Tolerances on forms and dimensions - 英文版
	GB/T 3880.2-2012 Wrought aluminium and aluminium alloy plates，sheets and strips for general engineering - Part 2: Mechanical properties - 英文版
	GB/T 3880.1-2012 Wrought aluminium and aluminium alloy plates，sheets and strips for general engineering - Part 1: Technical conditions of delivery - 英文版
	GB/T 3246.2-2012 Inspection method for structure of wrought aluminum and aluminum alloy products - Part 2: Inspection method for macrostructure - 英文版
	GB/T 29454-2012 Specification for equipping and managing of the measuring instrument of energy in the pulp and paper enterprise - 英文版
	GB/T 29453-2012 Specification for equipping and managing of the measuring instrument of energy in coal enterprise - 英文版
	GB/T 29452-2012 Specification for equipping and managing of the measuring instrument of energy in textile enterprise - 英文版
	GB/T 29416-2012 Test method for fire-resistant performance of external wall insulation systems applied to building facades - 英文版
	GB/T 29412-2012 Adsorber of pressure swing adsorption for hydrogen purification - 英文版
	GB/T 29363-2012 Water chiller with the vapor compression cycle for nuclear power plant - 英文版

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