B41L 23/04
Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by damping, e.g. by moistening copy sheets in connection with hectographic printing using friction rollers
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Edits on 8 Mar, 2022
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B41L 23/04
Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by damping, e.g. by moistening copy sheets in connection with hectographic printing using friction rollers
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