Traviesas de hormigón armado con suplementos de madera, encajonados y sin tornillos, para ferrocarriles de vía ancha y estrecha.,申请号ES19880000067U-传众专利搜索

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发明名称	Traviesas de hormigón armado con suplementos de madera, encajonados y sin tornillos, para ferrocarriles de vía ancha y estrecha.
摘要
申请公布号	ES6788(U)	申请公布日期	1941.12.01
申请号	ES19880000067U	申请日期	1941.08.28
申请人	UNAMUNO IBARRONDO, TORIBIO DE	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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