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发明名称
(A) ;PIEZOELECTRIC CERAMIC RESONATOR
摘要
申请公布号
JPS52142987(U)
申请公布日期
1977.10.29
申请号
JP19760049941U
申请日期
1976.04.23
申请人
发明人
分类号
A47J37/04;(IPC1-7):A47J37/04
主分类号
A47J37/04
代理机构
代理人
主权项
地址
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