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发明名称
PIEZOELECTRIC VIBRATOR
摘要
申请公布号
JPH0669747(A)
申请公布日期
1994.03.11
申请号
JP19920223720
申请日期
1992.08.24
申请人
NEC CORP
发明人
NAGAHAMA SHOHEI
分类号
H03H9/17;H03H9/02;(IPC1-7):H03H9/17
主分类号
H03H9/17
代理机构
代理人
主权项
地址
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