Stacking control for printer - has insert plate with air cushion to hold stack when magazine is changed
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Stacking control for printer - has electromagnetic vibrator plates on three sides of stack
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Printing machine plate cylinder moistening mechanism - includes doctor roller immersed in liq., frictionally driving applicator roller against plate cylinder
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Offset printing press - has moisture application roller gear driven from plate cylinder and bearing against doctor roller
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Continuous stationery envelopes prodn. - using two processing groups carrying out operations including perforating, folding and gluing of paper bands
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Endless form set production machine - has removable horizontal plate after strip zigzag folding mechanism
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Synchronized paper web transport and connecting strap cutting and positioning apparatus
