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3032040
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Information
Patent Grant
3032040
References
Source
Patent Number
3,032,040
Date Filed
Not available
Date Issued
Tuesday, May 1, 1962
62 years ago
CPC
B42F13/12 - with pillars, posts, rods, or tubes
Y10S402/503 - Binder device, sheet or depository including magnetic material
US Classifications
402 - Binder device releasably engaging aperture or notch of sheet
D19 - Office supplies
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