SCHNEIDWERKZEUG FUER ERDBOHRMASCHINEN,申请号DE19732323603-传众专利搜索

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发明名称	SCHNEIDWERKZEUG FUER ERDBOHRMASCHINEN
摘要
申请公布号	DE2323603(A1)	申请公布日期	1973.11.22
申请号	DE19732323603	申请日期	1973.05.08
申请人	DRESSER INDUSTRIES INC., DALLAS, TEX. (V.ST.A.)	发明人	OTT, EUGENE G.;CONN, WILLIAM M.
分类号	E21D9/10;E21B10/10;E21B10/52;(IPC1-7):E21B9/02	主分类号	E21D9/10
代理机构		代理人
主权项
地址

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