ES96963A1 - Un sistema de grifo de aislamiento especialmente aplicable a las tuberías de aire comprimido de los frenos de esta clase en los ferrocarriles.
- Google Patents
Un sistema de grifo de aislamiento especialmente aplicable a las tuberías de aire comprimido de los frenos de esta clase en los ferrocarriles.
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ES96963A1926-02-181926-02-18Un sistema de grifo de aislamiento especialmente aplicable a las tuberías de aire comprimido de los frenos de esta clase en los ferrocarriles.
ExpiredES96963A1
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