Ikuo Yanashima

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Kamakura, JA

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Patents Grantslast 30 patents

Information Patent Grant
Connected part of concrete pipe
- Patent number 4,026,582
- Issue date May 31, 1977
- Nippon Concrete Industries Co. Ltd.
- Nobuyuki Abe
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...