Kikuo Kazi

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sound insulating wall and method of installing the same
- Patent number 5,619,829
- Issue date Apr 15, 1997
- Nitto Boseki Co., Ltd.
- Tokio Tan
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES