During the last decade, the use of letterpress as a major printing process has shown a continual decline.
KeywordsColour Strength Rotary Press Petroleum Distillate Dipropylene Glycol Phthalocyanine Blue
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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© Society of British Printing Ink Manufacturers Ltd 1988