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Publication of FR546232ApublicationCriticalpatent/FR546232A/fr
D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
D21F1/00—Wet end of machines for making continuous webs of paper
D21F1/32—Washing wire-cloths or felts
FR546232D1922-01-211922-01-21Laveur de feutres pour machines à formes rondes, machines à carton, machines à papier, presse-pâtes, etc.
ExpiredFR546232A
(fr)