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发明名称
A PIEZO-ELECTRIC RESONATOR ASSEMBLY
摘要
申请公布号
HK30377(A)
申请公布日期
1977.06.24
申请号
HK19770000303
申请日期
1977.06.16
申请人
SOC SUISSE HORLOGERIE
发明人
ENGDAHL JEAN
分类号
H05K1/18;G04F5/06;H01L41/00;(IPC1-7):H03H9/10
主分类号
H05K1/18
代理机构
代理人
主权项
地址
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