Process of producing activated charcoal from charcoal fines,申请号US19300504205-传众专利搜索

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发明名称	Process of producing activated charcoal from charcoal fines
摘要
申请公布号	US1902986(A)	申请公布日期	1933.03.28
申请号	US19300504205	申请日期	1930.12.22
申请人	BARKER MAURICE E	发明人	BARKER MAURICE E.
分类号	C01B31/10	主分类号	C01B31/10
代理机构		代理人
主权项
地址

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