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2750838
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Patent Grant
2750838
References
Source
Patent Number
2,750,838
Date Filed
Not available
Date Issued
Tuesday, June 19, 1956
68 years ago
CPC
G01G23/34 - combined with price indicators
G01G23/22 - combined with price indicators
US Classifications
353 - Optics: image projectors
177 - Weighing scales
359 - Optical: systems and elements
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