Improvements relating to processes for the separation of the components of bitumen pitches,申请号GB19510011078-传众专利搜索

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发明名称	Improvements relating to processes for the separation of the components of bitumen pitches
摘要
申请公布号	GB699370(A)	申请公布日期	1953.11.04
申请号	GB19510011078	申请日期	1951.05.10
申请人	MICHAEL BARTHEL & CO., CHEMISCHE UND MINERALOI-WERKE G.M.B.H.;ERICH ASSER	发明人
分类号	C10C3/08	主分类号	C10C3/08
代理机构		代理人
主权项
地址

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