REFINING OF PETROLEUM,申请号CAD623821-传众专利搜索

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发明名称	REFINING OF PETROLEUM
摘要
申请公布号	CA623821(A)	申请公布日期	1961.07.11
申请号	CAD623821	申请日期
申请人	NALCO CHEMICAL COMPANY	发明人	CHARLES O. HOOVER
分类号		主分类号
代理机构		代理人
主权项
地址

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