Means for preventing oil from passing pistons,申请号US19270238907-传众专利搜索

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发明名称	Means for preventing oil from passing pistons
摘要
申请公布号	US1766829(A)	申请公布日期	1930.06.24
申请号	US19270238907	申请日期	1927.12.09
申请人	DUNNING COMPRESSOR CO.	发明人	MYERS FREDERICK A.
分类号	F04B27/02;F04B39/00;F04B39/04	主分类号	F04B27/02
代理机构		代理人
主权项
地址

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