GB - Chinese national standards

Copper, lead, zinc and nickel concentrates - Experimental methods for checking the precision of sampling

Available languages: English, Chinese

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Copperleadzinc and nickel concentrates - Experimental methods for checking the bias of sampling

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Specification on zero emissions and recycling of cooling water during melting and casting for copper and copper alloy

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Copper slag concentrate

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Specifications for recovery of cutting filings of copper and copper alloy

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Seamless and welded fittings for titanium and titanium alloy

Available languages: English, Chinese

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Portable aluminium alloy ladder

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The metal scraps in waste electrical and electronic equipment

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Scraps of molybdenum and molybdenum alloy

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Scraps of niobium and niobium alloy

Available languages: English, Chinese

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