Fukuzo Nakayama

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Hyogo, JA

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing non-slip pavement blocks
- Patent number 4,085,176
- Issue date Apr 18, 1978
- Japan Non-Slip Pavement Co., Inc.
- Fukuzo Nakayama
- B28 - WORKING CEMENT, CLAY, OR STONE