FREMGANGSMAATE VED KLARGJOERING AV BROENN MED DRENERINGSHULL.,申请号NO19870004597-传众专利搜索

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发明名称	FREMGANGSMAATE VED KLARGJOERING AV BROENN MED DRENERINGSHULL.
摘要
申请公布号	NO874597(D0)	申请公布日期	1987.11.04
申请号	NO19870004597	申请日期	1987.11.04
申请人	ATLANTIC RICHFIELD CO	发明人	DECH, JAMES A.
分类号	E21B17/00;E21B33/124;E21B33/13;E21B33/14;(IPC1-7):E21B/	主分类号	E21B17/00
代理机构		代理人
主权项
地址

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