Constructional features of masters

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CPC
B41L11/14

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BPERFORMING OPERATIONS TRANSPORTING B41Printing, stamps B41LAPPARATUS OR DEVICES FOR MANIFOLDING, DUPLICATING, OR PRINTING FOR OFFICE OR OTHER COMMERCIAL PURPOSES ADDRESSING MACHINES OR LIKE SERIES-PRINTING MACHINES B41L11/00Apparatus for directly duplicating from hectographic masters in mirror image

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B41L11/14Constructional features of masters

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Patents Grantslast 30 patents

Information Patent Grant
Master cards for hectographic printing
- Patent number 4,213,041
- Issue date Jul 15, 1980
- Data Card (U.K.) Limited
- Colin H. S. Smith
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for printing raised ink images
- Patent number 4,152,986
- Issue date May 8, 1979
- Gilbert F. Dadowski
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS