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GB1072802A
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Sound film apparatus
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GB1072801A
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Cassettes for sound films
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GB984767A
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Film projection apparatus using a removable cassette
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GB882928A
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Improvements in apparatus for the recording and/or playback of records on strip material, and magazines for such strip material
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GB780081A
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Improvements in and relating to cinematographic film-traction apparatus
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GB738317A
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Improvements in and relating to cinematographic film traction apparatus
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GB645485A
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Improvements in and relating to apparatus for the reproduction of optical records and to magazines for use therewith
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GB619843A
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Improvements in and relating to optical projection equipment
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GB583091A
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Improvements in or relating to the manufacture of spectacle lenses from plastic materials such as polymerized methyl methacrylate or polystyrene
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GB556743A
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Improvements in or relating to the production of optical lenses and other mouldings in plastics
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GB495569A
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Improvements in or relating to photographic cameras
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GB378098A
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Improvements in or relating to cinematographic projectors
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GB366995A
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Improvements in or relating to gramophones or similar sound-recording instruments
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GB358875A
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Improvements in or relating to cinematographic cameras and projectors for colour cinematography
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GB358874A
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Improvements in or relating to cinematographic cameras and projectors for colour cinematography
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GB352391A
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Improvements in or relating to gramophones or similar sound-recording instruments
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GB344512A
|
|
Improvements in or relating to cinematograph cameras or projectors
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GB344511A
|
|
Improvements in or relating to cinematograph cameras and projectors
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GB344514A
|
|
Improvements in or relating to cinematograph cameras and projectors
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GB344513A
|
|
Improvements in or relating to cinematograph cameras and projectors
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