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经营范围
发明名称
PIEZOELECTRIC VIBRATOR
摘要
PURPOSE:To obtain a piezoelectric vibrator of a curved vibration mode whose characteristics are least likely to be affected by the change in pressure by making the sectional shape of the crystal piezoelectric vibrator a nearly streamline shape.
申请公布号
JPS5343489(A)
申请公布日期
1978.04.19
申请号
JP19760118238
申请日期
1976.10.01
申请人
SEIKO INSTR & ELECTRONICS
发明人
HOSHI HIDEO
分类号
H03H9/17
主分类号
H03H9/17
代理机构
代理人
主权项
地址
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