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发明名称
ELECTROACOUSTIC TRANSDUCER
摘要
申请公布号
JPS5685994(A)
申请公布日期
1981.07.13
申请号
JP19800162716
申请日期
1980.11.20
申请人
PHILIPS NV
发明人
UIIRUTO KOPINGA;HERUBERUTO MINMERU
分类号
H04R9/00;H04R9/02;H04R9/04
主分类号
H04R9/00
代理机构
代理人
主权项
地址
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