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US3823993A
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Sewing machine
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Single thread chain stitch forming means for use in a conventional sewing machine
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Attachment for embroidering initial letters, patterns and the like in a zigzag sewing machine
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Automatic zigzag sewing machine
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Control device for changing the range of starting point and swing amplitude of a needle in a zigzag sewing machine
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Zigzag sewing machine
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Method and apparatus for cutting threads in a sewing machine
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Sititch pattern control means for zigzag sewing machine
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Device for automatic zigzag sewing
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Automatic and hand-operated apparatus for use in rotary type zigzag sewing machines
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