CHUCK FORETREDESVIS FOR ETT JORD/BERGSONDERINGSBORR,申请号SE19810003553-传众专利搜索

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发明名称	CHUCK FORETREDESVIS FOR ETT JORD/BERGSONDERINGSBORR
摘要
申请公布号	SE8103553(L)	申请公布日期	1982.12.06
申请号	SE19810003553	申请日期	1981.06.05
申请人	HYDEN GOSTA	发明人	HYDEN GOSTA
分类号	E21B19/00;(IPC1-7):E21B19/00	主分类号	E21B19/00
代理机构		代理人
主权项
地址

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