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2131875
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Information
Patent Grant
2131875
References
Source
Patent Number
2,131,875
Date Filed
Not available
Date Issued
Tuesday, October 4, 1938
85 years ago
CPC
A47F11/08 - Non-reflecting shop-windows
US Classifications
359 - Optical: systems and elements
052 - Static structures
312 - Supports: cabinet structure
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