CAVO ELETTRICO PARTICOLARMENTE PER POZZI PETROLIFERI,申请号IT19830067986-传众专利搜索

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发明名称	CAVO ELETTRICO PARTICOLARMENTE PER POZZI PETROLIFERI
摘要
申请公布号	IT1171027(B)	申请公布日期	1987.06.10
申请号	IT19830067986	申请日期	1983.09.23
申请人	HARVEY HUBBELL INC	发明人	NEUROTH DAVID HENRY
分类号	E21B17/20;H01B7/08;H01B7/18;H01B7/42;(IPC1-7):H01B/	主分类号	E21B17/20
代理机构		代理人
主权项
地址

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