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Chinese Standard Classification
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| Position: Search | valid to be valid superseded to be superseded abolished to be abolished |
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GB 7146-1986 Methods of sampling and sample preparation of antimony ores in bags
Issued on: 1986-12-30 Price(USD): 270.0 |
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GB/T 15923-1995 Method for chemical analysis of nickel ores―Determination of nickel content―Flame atomic absorption spectrometric method
Issued on: 1995-12-20 Price(USD): 224.0 |
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