INVERTED FLOATING RING SEAL,申请号USD3540743-传众专利搜索

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发明名称	INVERTED FLOATING RING SEAL
摘要
申请公布号	US3540743(A)	申请公布日期	1970.11.17
申请号	USD3540743	申请日期	1968.02.26
申请人	CATERPILLAR TRACTOR CO.	发明人	EDWIN J. ASHTON;BERNARD F. KUPFERT
分类号	F16J15/34;(IPC1-7):F16J15/54	主分类号	F16J15/34
代理机构		代理人
主权项
地址

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