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发明名称
QUARTZ RESONATORS
摘要
申请公布号
GB1602155(A)
申请公布日期
1981.11.11
申请号
GB19780014027
申请日期
1978.04.10
申请人
发明人
分类号
H03H9/19;H03H9/13;(IPC1-7):H03H9/12
主分类号
H03H9/19
代理机构
代理人
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地址
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