VERFAHREN ZUR HERSTELLUNG UNVERROHRTER BOHRUNGEN MITTELS SPUELBOHRVERFAHREN,申请号DD19790217036-传众专利搜索

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发明名称	VERFAHREN ZUR HERSTELLUNG UNVERROHRTER BOHRUNGEN MITTELS SPUELBOHRVERFAHREN
摘要
申请公布号	DD147264(A1)	申请公布日期	1981.03.25
申请号	DD19790217036	申请日期	1979.11.21
申请人	ECKART,AXEL,DD;KAHNES,HARTMUT,DD;MUELLER,GERHARD,DD	发明人	ECKART,AXEL,DD;KAHNES,HARTMUT,DD;MUELLER,GERHARD,DD
分类号	C09K8/00;E21B21/00;(IPC1-7):E21B7/18	主分类号	C09K8/00
代理机构		代理人
主权项
地址

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