Michiko Nihei

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Hamamatsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for drilling pronunciation
- Patent number 5,142,657
- Issue date Aug 25, 1992
- Kabushiki Kaisha Kawai Gakki Seisakusho
- Sadaaki Ezawa
- G06 - COMPUTING CALCULATING COUNTING