ES6788U - Reinforced concrete sleepers with wooden inserts, boxed and without screws, for wide gauge and narrow gauge railways. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Reinforced concrete sleepers with wooden inserts, boxed and without screws, for wide gauge and narrow gauge railways. (Machine-translation by Google Translate, not legally binding)
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Unamuno Ibarrondo Toribio De
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Unamuno Ibarrondo Toribio De
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Priority to ES0006788UpriorityCriticalpatent/ES6788Y/en
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Publication of ES6788YpublicationCriticalpatent/ES6788Y/en
Reinforced concrete sleepers with boxed wooden inserts and without screws for wide and narrow gauge railways characterized because they consist of pieces armed with four iron bars and made with high strength concrete and absolute homogeneity and a ratio of three parts of sand for six parts of a needle and a dosage of 500 kgs. Per cubic meter with an approximate weight of 100 kgs (Machine-translation by Google Translate, not legally binding)
ES0006788U1941-08-281941-08-28
Reinforced concrete sleepers with wooden inserts, boxed and without screws, for narrow and wide gauge railways
ExpiredES6788Y
(en)
Reinforced concrete sleepers with wooden inserts, boxed and without screws, for wide gauge and narrow gauge railways. (Machine-translation by Google Translate, not legally binding)
Reinforced concrete sleepers, with wooden insert, for wide gauge and narrow gauge railways. (Machine-translation by Google Translate, not legally binding)
Apparatus for the manufacture of vaults or slabs for reinforced concrete frameworks for iron or wood. (Machine-translation by Google Translate, not legally binding)