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经营范围
发明名称
CRYSTAL VIBRATOR
摘要
PURPOSE:To obtain relatively low resonance frequencies even if the vibrator is formed small size by forming an AT-cut crystal plate in tuning fork type.
申请公布号
JPS53117992(A)
申请公布日期
1978.10.14
申请号
JP19760134471
申请日期
1976.11.09
申请人
SEIKO INSTR & ELECTRONICS
发明人
KAWAMURA YASUKAZU
分类号
H03H9/215
主分类号
H03H9/215
代理机构
代理人
主权项
地址
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