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GB369549A
|
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Method and apparatus for obtaining a constant luminous or thermic effect from a source of variable energy
|
|
US1812199A
|
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Press for obtaining photographic prints by means of electric light
|
|
GB299452A
|
|
Photographic copying apparatus
|
|
GB276671A
|
|
Press for supporting photographic prints during drying
|
|
US1677916A
|
|
Press for the quick drying and glazing of photographic prints
|
|
GB230988A
|
|
Improved photographic printing apparatus
|
|
US1549298A
|
|
Photoprinting frame for film negatives
|
|
GB191362A
|
|
Improved photographic printing apparatus
|
|
US1497290A
|
|
Photoprinting frame
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