FR682030A - Boîte d'aspiration pour machines de fabrication de papier, carton, et pour la déshydratation de la cellulose, et autres produits analogues
- Google Patents
Boîte d'aspiration pour machines de fabrication de papier, carton, et pour la déshydratation de la cellulose, et autres produits analogues
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D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
D21F1/00—Wet end of machines for making continuous webs of paper
D21F1/48—Suction apparatus
D21F1/50—Suction boxes with rolls
FR682030D1929-01-301929-09-19Boîte d'aspiration pour machines de fabrication de papier, carton, et pour la déshydratation de la cellulose, et autres produits analogues
ExpiredFR682030A
(fr)