ANORDNING FOR AA REDUSERE BELASTNINGEN I EN SPOR-KNAST-FOERING.,申请号NO19860004489-传众专利搜索

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发明名称	ANORDNING FOR AA REDUSERE BELASTNINGEN I EN SPOR-KNAST-FOERING.
摘要
申请公布号	NO864489(A)	申请公布日期	1987.05.13
申请号	NO19860004489	申请日期	1986.11.11
申请人	HALLIBURTON CO	发明人	RINGGENBERG, PAUL DAVID
分类号	E21B23/00;E21B34/10;E21B49/00;(IPC1-7):E21B/	主分类号	E21B23/00
代理机构		代理人
主权项
地址

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