Piston molding core,申请号US19510262932-传众专利搜索

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发明名称	Piston molding core
摘要
申请公布号	US2676372(A)	申请公布日期	1954.04.27
申请号	US19510262932	申请日期	1951.12.22
申请人	VENNER WILLIAM M;BOWSER JR PERCY L	发明人	VENNER WILLIAM M.;JR. PERCY L. BOWSER,
分类号	B22D15/02	主分类号	B22D15/02
代理机构		代理人
主权项
地址

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