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3890038
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Information
Patent Grant
3890038
References
Source
Patent Number
3,890,038
Date Filed
Not available
Date Issued
Tuesday, June 17, 1975
49 years ago
CPC
G03G15/328 - using a CRT
G03B27/50 - with slit or like diaphragm moving over original for progressive exposure
US Classifications
355 - Photocopying
347 - Incremental printing of symbolic information
362 - Illumination
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