DEEP WELL DRILLING TOOLS,申请号DE19853566963-传众专利搜索

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发明名称	DEEP WELL DRILLING TOOLS
摘要
申请公布号	DE3566963(D1)	申请公布日期	1989.02.02
申请号	DE19853566963	申请日期	1985.04.06
申请人	TBT TIEFBOHRTECHNIK GMBH UND CO. KG.	发明人	WEIBLEN, RICHARD
分类号	B23B41/02;(IPC1-7):B23B41/02	主分类号	B23B41/02
代理机构		代理人
主权项
地址

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