72187544
Feb 26, 1964
Feb 14, 1967
WESTERN LITHO PLATE & SUPPLY CO.
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COMPOSITIONS FOR DEVELOPING PHOTOSENSITIVE COATINGS ON PLATES, COPPERIZING SOLUTION, PLATE LACQUERS, IMAGE PRESERVATIVES, AND MATERIAL USEFUL FOR DEVELOPING IMAGES ON PRINTING PLATES
LITHOGRAPHIC PLATES
COMPOSITIONS FOR CLEANING PLATES, BLANKETS, AND ROLLERS