4. Sewing
  5. Elements
  6. Frames

Hsien-Chin Chang

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Adjustable positioning device for head of sewing machine

Sewing – Elements – Frames
Reexamination Certificate

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Adjustable positioning device for head of sewing machine

Sewing – Elements – Frames
Reexamination Certificate

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Driving device for thread hooking mechanism for sewing machine

Sewing – Elements – Driving mechanisms
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2396740

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