Method of working up low valued materials such as pitch, acid sludge, and the like,申请号US19330656204-传众专利搜索

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发明名称	Method of working up low valued materials such as pitch, acid sludge, and the like
摘要
申请公布号	US2041957(A)	申请公布日期	1936.05.26
申请号	US19330656204	申请日期	1933.02.10
申请人	PAPE & CO., G. M. B. H.	发明人	REIS ALFRED
分类号	C10B55/00;C10C1/19;C10G9/42;C10G17/10	主分类号	C10B55/00
代理机构		代理人
主权项
地址

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