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US3033138A
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Button-hole making device applied to sewing machines
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US2869495A
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Rotary hook for sewing machines
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ES213525A1
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An electrical device for the operation and lighting of sewing machines (Machine-translation by Google Translate, not legally binding)
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US2833610A
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Supporting means for sewing machines and the like
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US2716952A
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Spiral sewing machine
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US2704986A
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Knob adjusting means for adjustable sewing machine feed
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US2685266A
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Stitch control lever limiting device
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US2711145A
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Feed regulating means for a sewing machine
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US2754782A
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Sewing machine suitable both for motor and hand drive
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US2684649A
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Device for embroidering automatically with zigzag sewing machines
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