Sumio Arai

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Wood preservative composition
- Patent number 4,510,074
- Issue date Apr 9, 1985
- Kao Corporation
- Ryozo Nakai
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...