Lubricating oil filter,申请号US19440538283-传众专利搜索

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发明名称	Lubricating oil filter
摘要
申请公布号	US2474161(A)	申请公布日期	1949.06.21
申请号	US19440538283	申请日期	1944.06.01
申请人	THE METAFILTRATION COMPANY LIMITED	发明人	PICKARD JOSEPH ALLEN
分类号	B01D25/02;B01D29/41	主分类号	B01D25/02
代理机构		代理人
主权项
地址

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