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The method of manual collection of commercial coal samples
The method of manual collection of commercial coal samples, Total:2 items.
In the international standard classification, The method of manual collection of commercial coal samples involves: Coals.
中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会, The method of manual collection of commercial coal samples
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, The method of manual collection of commercial coal samples
- GB 475-2008 Method for manual sampling of commercial coal