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发明名称
PIEZO-ELECTRIC RESONATOR
摘要
申请公布号
GB2024503(B)
申请公布日期
1982.10.13
申请号
GB19780049465
申请日期
1978.12.21
申请人
DAINI SEIKOSHA KK
发明人
分类号
H03H9/19;G04F5/06;H03H9/215;(IPC1-7):H03H9/14
主分类号
H03H9/19
代理机构
代理人
主权项
地址
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