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Blockout means for printing press
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Plate clamp for printing machine
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Plate clamping means for printing machines
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Improvements relating to rotary printing machines
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Method of composing type and type and backing element therefor
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Sheet collating machine
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Sheet stripping means for printing presses
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Dampening mechanism control means for rotary offset printing presses
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Sheet feeding mechanism for printing presses
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Single revolution drive control for rotary printing presses
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