FREMGANGSMAATE FOR TOERKING AV BOREKAKS FRA OLJEBROENN,申请号NO19820001119-传众专利搜索

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发明名称	FREMGANGSMAATE FOR TOERKING AV BOREKAKS FRA OLJEBROENN
摘要
申请公布号	NO821119(A)	申请公布日期	1982.10.07
申请号	NO19820001119	申请日期	1982.04.02
申请人	DRESSER INDUSTRIES, INC,	发明人	MCCASKILL, JAMES NEILL, JR.,
分类号	E21B21/06;E21B41/00;F26B3/092;(IPC1-7):F26B/	主分类号	E21B21/06
代理机构		代理人
主权项
地址

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