URZADZENIE DO PROWADZENIA ZERDZI WIERTNICZEJ,申请号PL19750184705-传众专利搜索

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发明名称	URZADZENIE DO PROWADZENIA ZERDZI WIERTNICZEJ
摘要
申请公布号	PL95971(B1)	申请公布日期	1977.11.30
申请号	PL19750184705	申请日期	1975.11.13
申请人		发明人
分类号	(IPC1-7):E21C9/00	主分类号	(IPC1-7):E21C9/00
代理机构		代理人
主权项
地址

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