TESTATA PER MANIPOLARE TUBI,申请号IT19770048939-传众专利搜索

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发明名称	TESTATA PER MANIPOLARE TUBI
摘要
申请公布号	IT1086796(B)	申请公布日期	1985.05.31
申请号	IT19770048939	申请日期	1977.04.13
申请人	BJ HUGHES INC SOC DELLO STATO DEL DELAWARE	发明人
分类号	B66C1/42;E21B19/02;E21B19/16;(IPC1-7):E21B/	主分类号	B66C1/42
代理机构		代理人
主权项
地址

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