Oil sealing ring,申请号US19440539921-传众专利搜索

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发明名称	Oil sealing ring
摘要
申请公布号	US2417390(A)	申请公布日期	1947.03.11
申请号	US19440539921	申请日期	1944.06.12
申请人	THE GENERAL TIRE & RUBBER COMPANY	发明人	WINKELJOHN THOMAS H.
分类号	F16J15/32	主分类号	F16J15/32
代理机构		代理人
主权项
地址

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