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发明名称	KOPLINGSANORDNING
摘要
申请公布号	NO932241(A)	申请公布日期	1993.08.17
申请号	NO19930002241	申请日期	1993.06.17
申请人	LAFLEUR PETROLEUM SERVICES INC	发明人	LAFLEUR, KARL K.;DONALD, R. WADE
分类号	E21B17/02;E21B21/01;F16L37/12;(IPC1-7):F16L37/00	主分类号	E21B17/02
代理机构		代理人
主权项
地址

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