Progess for cleaning refining equipment,申请号US19500141691-传众专利搜索

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发明名称	Progess for cleaning refining equipment
摘要
申请公布号	US2662042(A)	申请公布日期	1953.12.08
申请号	US19500141691	申请日期	1950.02.01
申请人	SUN OIL COMPANY	发明人	DOUGHERTY PATRICK F.;MAGILL LLOYD G.
分类号	B08B9/08	主分类号	B08B9/08
代理机构		代理人
主权项
地址

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