Apparatus for refining heavy mineral oils,申请号US19290371177-传众专利搜索

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发明名称	Apparatus for refining heavy mineral oils
摘要
申请公布号	US1864911(A)	申请公布日期	1932.06.28
申请号	US19290371177	申请日期	1929.06.15
申请人	EDELEANU GESELLSCHAFT M. BESCHRANKTER HAFTUNG	发明人	IODECK PAUL
分类号	C10G21/10	主分类号	C10G21/10
代理机构		代理人
主权项
地址

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