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US4373442A Portable ink fountain 失效
便携式墨水喷泉

Portable ink fountain
摘要:
An object of the invention is to provide a method of metering to a printing plate (P). An applicator roller (312), which receives ink from a pick-up roller (310), is positioned in pressure indented relation with a metering roller (12). The surface speed of metering roller (12) is varied to meter the ink to roller apparatus which supplies the ink to printing plate (P).
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