2021
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Invention
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Process and system for laying tracks for underground, railway and tramway lines.
The present inv... |
|
Invention
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Concrete composition for railway foundations.
The present invention relates to a concrete contai... |
|
Invention
|
Process and system for laying tracks for underground, railway and tramway lines. The present inve... |
|
Invention
|
Concrete composition for railway foundations. The present invention relates to a concrete compris... |
2020
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Invention
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Formwork for the construction of railway platforms. Formwork (1) for the construction of railway ... |
|
Invention
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Formwork for the construction of railway platforms. Formwork (1 ) for the construction of railway... |
2015
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Invention
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Modular system for the laying of underground and railroad and tram lines. A module (100) for a sy... |