RACORD DE EMPALME RAPIDO CONTRA ESFUERZOS AXILES YNO TOR- SIONALES PARA TUBOS DE PERFORACION.,申请号ES19710167563U-传众专利搜索

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发明名称	RACORD DE EMPALME RAPIDO CONTRA ESFUERZOS AXILES YNO TOR- SIONALES PARA TUBOS DE PERFORACION.
摘要
申请公布号	ES167563(Y)	申请公布日期	1972.09.01
申请号	ES19710167563U	申请日期	1971.04.02
申请人	CIMENTACIONES ESPECIALES, S. A.	发明人
分类号	E21B;F16L	主分类号	E21B
代理机构		代理人
主权项
地址

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