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发明名称	BOHRSTANGENEINRICHTUNG
摘要
申请公布号	DE7926801(U1)	申请公布日期	1980.02.14
申请号	DE19790026801U	申请日期	1979.09.21
申请人	LONGWITZ, GERHARD, PAROW VALLEI (SUEDAFRIKA)	发明人
分类号	(IPC1-7):E21C15/00	主分类号	(IPC1-7):E21C15/00
代理机构		代理人
主权项
地址

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