ES14236A1 - Perfeccionamientos introducidos en el establecimiento y la construcción de las poleas-frenos y de los polipastos-frenos automáticos.
- Google Patents
Perfeccionamientos introducidos en el establecimiento y la construcción de las poleas-frenos y de los polipastos-frenos automáticos.
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ES14236A1893-02-221893-02-22Perfeccionamientos introducidos en el establecimiento y la construcción de las poleas-frenos y de los polipastos-frenos automáticos.
ExpiredES14236A1
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