Lubrication control for pistons,申请号US19490123549-传众专利搜索

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发明名称	Lubrication control for pistons
摘要
申请公布号	US2698209(A)	申请公布日期	1954.12.28
申请号	US19490123549	申请日期	1949.10.26
申请人	HARTFORD NATIONAL BANK AND TRUST COMPANY	发明人	MEYER ROELF JAN
分类号	F16J9/20	主分类号	F16J9/20
代理机构		代理人
主权项
地址

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