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Priority to ES0259364ApriorityCriticalpatent/ES259364A1/es
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Procedimiento para dar consistencia rígida al cartón, caracterizado por aplicarse capas superpuestas de cartón previamente impregnadas con silicato sódico, colocándolas en la forma que se desee quede el conjunto antes de que endurezca.
ES0259364A1960-07-011960-07-01Un procedimiento para dar consistencia rigida al cartën
ExpiredES259364A1
(es)