Process of purifying acid sludge,申请号US19340759621-传众专利搜索

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发明名称	Process of purifying acid sludge
摘要
申请公布号	US2062347(A)	申请公布日期	1936.12.01
申请号	US19340759621	申请日期	1934.12.29
申请人	STANDARD OIL DEVELOPMENT COMPANY	发明人	ARCHIBALD FRANCIS M.
分类号	C01B17/92	主分类号	C01B17/92
代理机构		代理人
主权项
地址

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