Priority date (The priority date 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 date listed.)
Publication of BE337771ApublicationCriticalpatent/BE337771A/xx
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
B41N1/00—Printing plates or foils; Materials therefor
B41N1/04—Printing plates or foils; Materials therefor metallic
B41N1/06—Printing plates or foils; Materials therefor metallic for relief printing or intaglio printing