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File card structure
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Pack turnover apparatus
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Brush holder assembly for electrical machines
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Paper trimming and cutting machine
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Sheet delivery mechanism
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Sheet fed rotary printing press with sheet slitting attachment
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Fountain blade assembly
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Machine for and method of folding sheets
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Improvements in vacuum-actuated sheet-detecting apparatus for printing machines
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Sheet feeder, especially for printing presses
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Printing cylinder adjustment and locking means
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Ductor roller control
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Form roller and cylinder tripping mechanism
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Sheet stacking device
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Printing cylinder vacuum control
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Method of and means for automatically picking waste material from carton blanks and the like articles
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Improvements in sheet-feeding mechanism
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Sheet-feeding mechanism
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Reciprocating doctor blade mechanism
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