Ryouichi Motoyama

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Amagasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ring for spinning machinery
- Patent number 4,885,905
- Issue date Dec 12, 1989
- Kanai Juyo Kogyo Co., Ltd.
- Akira Maruta
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING