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10 05 2008

Green Label As I previously noted China’s Standardization …

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Per unit energy consumption quotas for copper smelting. GB 21248-2007. 2008.6.1. Per unit energy consumption quotas for zinc smelting. GB 21249-2007. 2008.6.1. Per unit energy consumption quotas for lead smelting. GB 21250-2007 …

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Green Label As I previously noted China’s Standardization …

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