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1722391
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Patent Grant
1722391
References
Source
Patent Number
1,722,391
Date Filed
Not available
Date Issued
Tuesday, July 30, 1929
95 years ago
CPC
D04B1/12 - characterised by thread material
D04B7/14 - with provision for incorporating internal threads in laid-in fabrics
US Classifications
066 - Textiles: knitting
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