Rikisaburo Nagai

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Kobe, JP

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Patents Grantslast 30 patents

Information Patent Grant
Compound check valve
- Patent number 4,368,752
- Issue date Jan 18, 1983
- Nippon Air Brake Co., Ltd.
- Hideo Tamamori
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...