ES38357A1 - Un nuevo sistema de enlace o unión de cubo elástico "Hercule" aplicable especialmente a las traviesas de los caminos de hierro.
- Google Patents
Un nuevo sistema de enlace o unión de cubo elástico "Hercule" aplicable especialmente a las traviesas de los caminos de hierro.
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ES38357A1906-05-191906-05-19Un nuevo sistema de enlace o unión de cubo elástico "Hercule" aplicable especialmente a las traviesas de los caminos de hierro.
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