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Clothing, Fashion & Accessories
Class Information
Number:
112/59
Name:
Sewing
>
Special machines
>
Leather sewing
>
Thread handling
> Tensions
Description:
Includes tension devices.
Patents under this class:
Patent Number
Title Of Patent
Date Issued
4301757
Automatic thread tension control device of sewing machine
Nov. 24, 1981
4077497
Yarn clamp
Mar. 7, 1978
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