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421478
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Information
Patent Grant
421478
References
Source
Patent Number
421,478
Date Filed
Not available
Date Issued
Tuesday, February 18, 1890
135 years ago
CPC
B65H49/32 - Stands or frameworks
Y10T225/263 - Blade carrier supports hollow spool for rotation
US Classifications
242 - Winding, tensioning, or guiding
225 - Severing by tearing or breaking
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