METHOD OF MAKING HOLLOW VALVES,申请号CAD637197-传众专利搜索

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发明名称	METHOD OF MAKING HOLLOW VALVES
摘要
申请公布号	CA637197(A)	申请公布日期	1962.02.27
申请号	CAD637197	申请日期
申请人	THOMPSON RAMO WOOLDRIDGE INC.	发明人	MAX J. TAUSCHEK;JAMES M. CHERRIE;ROBERT O. BEUTELL
分类号		主分类号
代理机构		代理人
主权项
地址

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