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经营范围
发明名称
ELECTROACOUSTIC TRANSDUCER
摘要
申请公布号
JPH07154887(A)
申请公布日期
1995.06.16
申请号
JP19930300525
申请日期
1993.11.30
申请人
SONY CORP
发明人
KANBE YOSHIYUKI
分类号
C09K11/08;H04R1/10;(IPC1-7):H04R1/10
主分类号
C09K11/08
代理机构
代理人
主权项
地址
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