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US3744452A
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Electrostatic developing system with cylindrical drum liquid contact unit
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US3636925A
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Intensification electrode assembly for developer in office photocopy machine
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US3600085A
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Counter for photocopy machine
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US3548512A
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Dryer for photographic films or the like
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US3669073A
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Electrostatic developing system
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US3498202A
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Method of making registering layout assemblies for printing plates and a negative carrier therefor
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US3475094A
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Machine for copying opposite faces of small document
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US3411391A
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Apparatus for automatically dispensing and cutting selected lengths of strip material
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US3454398A
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Method of forming a lithographic plate by treating silver halide with a terminal ethynyl compound to form an ink receptive image area
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US3355815A
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Dryer for photoprints
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US3470619A
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Apparatus for article registration
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US3456587A
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Plate cylinder with retractable register pins
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US3423153A
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Control of light level in photocopy machine
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US3368525A
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Liquid developer system for photocopy machine
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US3424526A
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Photocopy machine having moving carrier for original
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US3399140A
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Liquid developer for electrostatic printing
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US3395610A
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Electrostatic copying machine for books and the like
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US3357335A
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Clamping and sequencing arrangement for vacuum printing frame
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US3306491A
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Apparatus and structure for handling copy paper
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US3351340A
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Document transport for photocopy machine
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