Mitsuyasu Yamashita

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Structure for decreasing low frequency air vibration
- Patent number 4,450,931
- Issue date May 29, 1984
- NGK Insulators, Ltd.
- Mitsuyasu Yamashita
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES