Keiji Yamashita

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Nobeoka, JA

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Patents Grantslast 30 patents

Information Patent Grant
Process for spinning modified synthetic fibers
- Patent number 4,085,174
- Issue date Apr 18, 1978
- Asahi Kasei Kogyo Kabushiki Kaisha
- Tatsuo Ishikawa
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING