Piston,申请号US19300420447-传众专利搜索

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发明名称	Piston
摘要
申请公布号	US1862251(A)	申请公布日期	1932.06.07
申请号	US19300420447	申请日期	1930.01.13
申请人	ARMENTROUT ARTHUR L	发明人	ARMENTROUT ARTHUR L.
分类号	F16J15/46	主分类号	F16J15/46
代理机构		代理人
主权项
地址

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