PRZYRZAD DO WIERCENIA OTWOROW W GRUNCIE,申请号PL19770196511-传众专利搜索

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发明名称	PRZYRZAD DO WIERCENIA OTWOROW W GRUNCIE
摘要
申请公布号	PL100281(B1)	申请公布日期	1978.09.30
申请号	PL19770196511	申请日期	1977.03.07
申请人		发明人
分类号	A01B1/00;(IPC1-7):E02D17/14	主分类号	A01B1/00
代理机构		代理人
主权项
地址

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