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1489623
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Patent Grant
1489623
References
Source
Patent Number
1,489,623
Date Filed
Not available
Date Issued
Tuesday, April 8, 1924
100 years ago
CPC
D21F7/005 - Wire-tensioning devices
D21F3/04 - Arrangements thereof
US Classifications
162 - Paper making and fiber liberation
177 - Weighing scales
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