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GB191414769A
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Improvements in and relating to Drawing Boards.
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GB191411712A
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Improvements in and relating to Tripod and like Stands.
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GB191406405A
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Improvements in and relating to Camera Fronts.
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GB191406069A
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Improvements in and relating to Drawing Board and the like Stands.
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GB191403880A
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Improvements in and relating to Enlarging Cameras.
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GB191401895A
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Improvements in and relating to Storing Cabinets for Gramophone Records.
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GB191324227A
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Improvements in and relating to Tee Squares, Straightedges or the like.
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GB191306121A
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Improved Controlling Device for Focal Plane Shutters.
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GB191207204A
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An Improved Developing Trough for Photographic Films.
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GB191206841A
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Improvements in and relating to Jointed Racks for use in Photography.
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GB191201919A
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Improvements in Photographic Screen Holders.
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GB191027461A
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Improvements in Roller Blind Shutters.
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GB191020304A
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Improvements in the Manufacture of Horns for Talking Machines or the like purposes.
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GB190919803A
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Improvements in Reflex Cameras.
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GB190923271A
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Improvements in and relating to Talking Machines, Phonographs or the like.
|
|
GB190811779A
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|
Improvements in Light-proof Envelopes for use in Photography
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|
GB190811778A
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|
Improvements in Tone-arms for Gramophones or the like.
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GB190719108A
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Improvements in Reversing Backs of Photographic Cameras
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GB190716569A
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An Improved Means for Focussing Photographic Cameras
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GB190714916A
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Improvements in Photographic Camera Struts
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