Traviesas de hormigón armado, con suplemento de madera, para ferrocarriles de vía ancha y estrecha.,申请号ES19900000081U-传众专利搜索

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发明名称	Traviesas de hormigón armado, con suplemento de madera, para ferrocarriles de vía ancha y estrecha.
摘要
申请公布号	ES8190(U)	申请公布日期	1944.04.01
申请号	ES19900000081U	申请日期	1940.02.14
申请人	UNAMUNO E IBARRONDO, TORIBIO	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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