CONEXAO PARA TUBOS,申请号BR19750007157-传众专利搜索

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发明名称	CONEXAO PARA TUBOS
摘要
申请公布号	BR7507157(A)	申请公布日期	1977.06.21
申请号	BR19750007157	申请日期	1975.10.31
申请人	METALURGICA DETROIT SA	发明人	HOLMGREIN M
分类号	F16L13/02;(IPC1-7):F16L13/02	主分类号	F16L13/02
代理机构		代理人
主权项
地址

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