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发明名称
Dispositif transducteur piézoélectrique notamment pour têtes de lecture de phonographes.
摘要
申请公布号
BE580282(A1)
申请公布日期
1959.11.03
申请号
BE19590580282
申请日期
1959.07.01
申请人
SONOTONE CORPORATION
发明人
NORMAN HALLER DIETER, JR.
分类号
H04R17/08;(IPC1-7):H01L
主分类号
H04R17/08
代理机构
代理人
主权项
地址
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