B - Operations – Transporting – 41 – N
Patent
B - Operations, Transporting
41
N
96/189, 57/19
B41N 1/08 (2006.01) B41C 1/10 (2006.01) B41N 1/14 (2006.01) B41N 3/04 (2006.01)
Patent
CA 1122018
ABSTRACT OF THE DISCLOSURE Planar surfaces are roughened by graining with an aqueous slurry of unfused platy, crystalline alumina. Pre- ferably, an aluminum base which is adapted to receive a light- sensitive coating thereon to make lithographic plate is grained with said aqueous slurry.
322232
Fromson Howard A.
Gracia Robert F.
Fromson Howard A.
Swabey Ogilvy Renault
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