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QUOD BONUM NV
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QUOD BONUM NV
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Application filed by QUOD BONUM NVfiledCriticalQUOD BONUM NV
Application grantedgrantedCritical
Publication of FR71811EpublicationCriticalpatent/FR71811E/en
B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
B41N3/00—Preparing for use and conserving printing surfaces
B41N3/003—Preparing for use and conserving printing surfaces of intaglio formes, e.g. application of a wear-resistant coating, such as chrome, on the already-engraved plate or cylinder; Preparing for reuse, e.g. removing of the Ballard shell; Correction of the engraving
FR71811D1957-02-011957-02-01
Process for retouching the engraving of intaglio printing shapes
ExpiredFR71811E
(en)