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Vibration device and piezoelectric element |
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Piezoelectric element and vibrating device |
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Vibration device |
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Vibration device |
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Multilayer piezoelectric element and vibrating device |
Yoshiki Ohta, Hideya Sakamoto, Kazushi Tachimoto, Junpei Kikuchi, Akihiro Takeda |
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Vibration element |
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Transmission output control apparatus |
Hitoshi Tsuchiya |
2011-05-24 |
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2010-10-05 |
| 4909866 |
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