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GB681190A
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Improvements relating to photographic copying cameras
|
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GB683959A
|
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Improvements in or relating to photographic copying cameras
|
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GB678302A
|
|
Improvements in or relating to contact half-tone screen photographic camera
|
|
GB674339A
|
|
Copy-boards for photographic copying and other like cameras
|
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US2567293A
|
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Darkroom camera
|
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US2545964A
|
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Photographic copy board
|
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US2553209A
|
|
Plate powdering machine
|
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US2534784A
|
|
Photomechanical printing frame
|
|
US2568505A
|
|
Contact screen halftone camera
|
|
US2534794A
|
|
Photomechanical printer
|
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US2557561A
|
|
Plate powdering machine
|
|
US2566142A
|
|
Etching machine
|
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US2496814A
|
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Plate burner for photoengraving
|
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US2450288A
|
|
Photoelectric exposure meter
|
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US2508649A
|
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Spiral focusing scale
|
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US2487623A
|
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Camera copy board
|
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GB621871A
|
|
Photographic cameras
|
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US2469891A
|
|
Color separation camera
|
|
US2533650A
|
|
Process of making half-tone negatives
|
|
US1709327A
|
|
Halftone photomechanical printing plate and method for producing the same
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