BOHRKOPF FUER GESTEINSBOHRER,申请号DD19780210151-传众专利搜索

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发明名称	BOHRKOPF FUER GESTEINSBOHRER
摘要
申请公布号	DD143937(A1)	申请公布日期	1980.09.17
申请号	DD19780210151	申请日期	1978.12.27
申请人	KOCH,GERHARD,DD;JAEGER,KURT,DD;WALTER,REINHOLD,DD	发明人	KOCH,GERHARD,DD;JAEGER,KURT,DD;WALTER,REINHOLD,DD
分类号	E21B10/46;(IPC1-7):E21B10/46	主分类号	E21B10/46
代理机构		代理人
主权项
地址

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