UNA CUBIERTA PERFECCIONADA PARA LA FORMACION DE TUBERIAS.,申请号ES19940002316U-传众专利搜索

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发明名称	UNA CUBIERTA PERFECCIONADA PARA LA FORMACION DE TUBERIAS.
摘要
申请公布号	ES231694(Y)	申请公布日期	1978.06.01
申请号	ES19940002316U	申请日期	1977.10.28
申请人		发明人
分类号	E21D;(IPC1-7):21D/	主分类号	E21D
代理机构		代理人
主权项
地址

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