ES6788Y - Traviesas de hormigón armado con suplementos de madera, encajonados y sin tornillos, para ferrocarriles de vía ancha y estrecha.
- Google Patents
Traviesas de hormigón armado con suplementos de madera, encajonados y sin tornillos, para ferrocarriles de vía ancha y estrecha.
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Unamuno Ibarrondo Toribio De
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Unamuno Ibarrondo Toribio De
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Priority to ES0006788UpriorityCriticalpatent/ES6788Y/es
Publication of ES6788UpublicationCriticalpatent/ES6788U/es
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Publication of ES6788YpublicationCriticalpatent/ES6788Y/es
ES0006788U1941-08-281941-08-28Traviesas de hormigón armado con suplementos de madera, encajonados y sin tornillos, para ferrocarriles de vía ancha y estrecha.
ExpiredES6788Y
(es)