FREMGANGSMAATE OG BORERIGG TIL BORING AV ET BOREHULL.,申请号NO19870002817-传众专利搜索

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发明名称	FREMGANGSMAATE OG BORERIGG TIL BORING AV ET BOREHULL.
摘要
申请公布号	NO872817(D0)	申请公布日期	1987.07.06
申请号	NO19870002817	申请日期	1987.07.06
申请人	DANSK IND SYNDIKAT	发明人	LUND THOMAS ASGER
分类号	E21B19/14;E21B19/20;(IPC1-7):E21B/	主分类号	E21B19/14
代理机构		代理人
主权项
地址

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