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发明名称
TUNING FORK TYPE PIEZOELECTRIC VIBRATOR
摘要
PURPOSE:To obtain a tuning fork type piezoelectric vibrator wherein the shift of frequency is eliminated and adjustment of frequency may be readily accomplished by laser, etc., by removing exciting electrodes.
申请公布号
JPS5332690(A)
申请公布日期
1978.03.28
申请号
JP19760107064
申请日期
1976.09.07
申请人
SEIKO INSTR & ELECTRONICS
发明人
KAWASHIMA HIROFUMI
分类号
H03H3/04
主分类号
H03H3/04
代理机构
代理人
主权项
地址
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