Nobuhiro Tsutsui

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Okayama, JA

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Patents Grantslast 30 patents

Information Patent Grant
Production of synthetic resin spinnerette
- Patent number 3,980,747
- Issue date Sep 14, 1976
- Japan Exlan Company Limited
- Kazumi Nakagawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL