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1888593
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Information
Patent Grant
1888593
References
Source
Patent Number
1,888,593
Date Filed
Not available
Date Issued
Tuesday, November 22, 1932
91 years ago
CPC
B65H49/322 - Enclosing boxes with supporting means for the package or reel during unwinding
B65H2701/373 - Spring steel
US Classifications
242 - Winding, tensioning, or guiding
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