Eiji Shima

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Kakamigahara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Helicopter rotor equipped with flaps
- Patent number 5,639,215
- Issue date Jun 17, 1997
- Advanced Technology Institute of Commuter-Helicopter, Ltd.
- Eiichi Yamakawa
- B64 - AIRCRAFT AVIATION COSMONAUTICS