Spindle seal for fluid pressure motors,申请号US19400332613-传众专利搜索

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发明名称	Spindle seal for fluid pressure motors
摘要
申请公布号	US2239637(A)	申请公布日期	1941.04.22
申请号	US19400332613	申请日期	1940.04.30
申请人	ZESEWITZ JOHN H	发明人	ZESEWITZ JOHN H.
分类号	F16J15/447	主分类号	F16J15/447
代理机构		代理人
主权项
地址

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