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3452671
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Information
Patent Grant
3452671
References
Source
Patent Number
3,452,671
Date Filed
Not available
Date Issued
Tuesday, July 1, 1969
55 years ago
CPC
D06H1/003 - by passing a needle through the layers
Y10T408/6757 - Fluid means
US Classifications
101 - Printing
408 - Cutting by use of rotating axially moving tool
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