Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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KDP Keller Dorian Papiers SA
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KDP Keller Dorian Papiers SA
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Filing date
Publication date
Application filed by KDP Keller Dorian Papiers SAfiledCriticalKDP Keller Dorian Papiers SA
Application grantedgrantedCritical
Publication of FR917688ApublicationCriticalpatent/FR917688A/fr
B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
B41M5/00—Duplicating or marking methods; Sheet materials for use therein
B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
FR917688D1945-07-201945-07-20Papier enregistreur pour appareils à pointe sèche et son procédé de fabrication
ExpiredFR917688A
(fr)