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Priority to ES114277ApriorityCriticalpatent/ES114277A1/es
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ES114277A1929-07-261929-07-26Un nuevo producto industrial para prevenir las incrustaciones en las calderas de vapor y aparatos similares.
ExpiredES114277A1
(es)
Dispositivo para mejorar el funcionamiento de las instalaciones de calderas de vapor, a dos o más presiones, especialmente en las locomotoras y sus similares.