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gb16659

gb16659, Total:2 items.

In the international standard classification, gb16659 involves: Coals.

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, gb16659

• GB/T 16659-1996 Determination of mercury in coal
• GB/T 16659-2008 Determination of mercury in coal

Others:   gb16659.