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经营范围
发明名称
Electrostatic Loudspeakers
摘要
申请公布号
GB2037537(A)
申请公布日期
1980.07.09
申请号
GB19790040535
申请日期
1979.11.23
申请人
SONY CORP
发明人
分类号
H04R19/00;H04R19/02;(IPC1-7):H04R19/02
主分类号
H04R19/00
代理机构
代理人
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