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US2029979A
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Phonographic film
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GB441030A
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Improvements in or relating to films bearing photographic sound records
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GB383791A
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Improvements in or relating to photographic diazo-type films and papers
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US1993812A
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Method for printing cinematographic films
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GB365742A
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Improvements in or relating to developing, tinting, toning and washing cinematograph films
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GB318511A
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Improved manufacture of photographic paper and films
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GB328102A
|
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Improvements in or relating to kinematographic films
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GB309037A
|
|
Improvements in or relating to cinematographic films
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GB330239A
|
|
Improvements in or relating to projecting cinematographic films
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GB305653A
|
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Improvements in or relating to cellulose films
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GB301878A
|
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Improvements in or relating to cellulose films
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GB301879A
|
|
Improvements in or relating to photographic films
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CA309925A
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Fireproof cellulose film
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CA318682A
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Cinematograph projector
|
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CA366822A
|
|
Film printing process
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CA307425A
|
|
Cinema film
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CA318683A
|
|
Developing method for cinematographic films
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