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1725395
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Information
Patent Grant
1725395
References
Source
Patent Number
1,725,395
Date Filed
Not available
Date Issued
Tuesday, August 20, 1929
94 years ago
CPC
G03F1/88 - prepared by photographic processes for production of originals simulating relief
G03C5/08 - Photoprinting Processes and means for preventing photoprinting
G03F1/00 - Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles Mask blanks or pellicles therefor Containers specially adapted therefor Preparation thereof
US Classifications
355 - Photocopying
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