Lubricating device for valve stem bearings,申请号US19280268971-传众专利搜索

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法人/股东/高管

发明名称	Lubricating device for valve stem bearings
摘要
申请公布号	US1842555(A)	申请公布日期	1932.01.26
申请号	US19280268971	申请日期	1928.04.10
申请人	MCLEOD CLIFFORD J	发明人	MCLEOD CLIFFORD J.
分类号	F01M9/10	主分类号	F01M9/10
代理机构		代理人
主权项
地址

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