Art of producing activated charcoal from nitrogenous material,申请号US19300496347-传众专利搜索

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发明名称	Art of producing activated charcoal from nitrogenous material
摘要
申请公布号	US1925204(A)	申请公布日期	1933.09.05
申请号	US19300496347	申请日期	1930.11.17
申请人	REICH GUSTAVE T	发明人	REICH GUSTAVE T.
分类号	C01B31/08	主分类号	C01B31/08
代理机构		代理人
主权项
地址

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