Piston and insert ring therefor,申请号US19560584515-传众专利搜索

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发明名称	Piston and insert ring therefor
摘要
申请公布号	US2851318(A)	申请公布日期	1958.09.09
申请号	US19560584515	申请日期	1956.05.14
申请人	THE PERMOLD COMPANY	发明人	SMITH FORREST E.;FAHLMAN EVERETT G.
分类号	F16J9/22	主分类号	F16J9/22
代理机构		代理人
主权项
地址

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