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D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
D21J3/00—Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds
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FR55744D1944-04-191944-04-19Procédé de démoulage des ébauches lors de la fabrication d'objets en papier moulé par succion et machine s'y rapportant
ExpiredFR55744E
(fr)