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3683559
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Information
Patent Grant
3683559
References
Source
Patent Number
3,683,559
Date Filed
Not available
Date Issued
Tuesday, August 15, 1972
52 years ago
CPC
B24B19/223 - of paper or similar sheet material
B26F1/24 - Perforating by needles or pins
US Classifications
451 - Abrading
026 - Textiles: cloth finishing
493 - Manufacturing container or tube from paper
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