Mitsuru Ninijima

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sewing machine automatic thread tension device with thread elongati...
- Patent number 4,960,062
- Issue date Oct 2, 1990
- Janome Sewing Machine Co. Ltd.
- Susumu Hanyu
- D05 - SEWING EMBROIDERING TUFTING