SALVAFILETTO AZIONATO PNEUMATICAMENTE PER TUBI, ASTE TUBOLARI DI PERFORAZIONE E SIMILI,申请号IT19780068922-传众专利搜索

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发明名称	SALVAFILETTO AZIONATO PNEUMATICAMENTE PER TUBI, ASTE TUBOLARI DI PERFORAZIONE E SIMILI
摘要
申请公布号	IT1160597(B)	申请公布日期	1987.03.11
申请号	IT19780068922	申请日期	1978.08.17
申请人	WEATHERFORD/LAMB INC.	发明人
分类号	F16B37/14;B65D59/00;E21B17/00;E21B17/10	主分类号	F16B37/14
代理机构		代理人
主权项
地址

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