CH566219A5CH742174ACH742174ACH566219A5CH 566219 A5CH566219 A5CH 566219A5CH 742174 ACH742174 ACH 742174ACH 742174 ACH742174 ACH 742174ACH 566219 A5CH566219 A5CH 566219A5
Authority
CH
Switzerland
Application number
CH742174A
Original Assignee
Ritzerfeld Gerhard
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.)
Filing date
Publication date
Application filed by Ritzerfeld GerhardfiledCriticalRitzerfeld Gerhard
Publication of CH566219A5publicationCriticalpatent/CH566219A5/xx
B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
B41M5/00—Duplicating or marking methods; Sheet materials for use therein
B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
B41M5/0253—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet using a chemical colour-forming ink, e.g. chemical hectography