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2174049
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Information
Patent Grant
2174049
References
Source
Patent Number
2,174,049
Date Filed
Not available
Date Issued
Tuesday, September 26, 1939
84 years ago
CPC
G03B21/328 - Means for fixing the film on the periphery of a reel
Y10T24/44897 - with reinforcing member
US Classifications
206 - Special receptacle or package
024 - Buckles, buttons, clasps, etc.
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