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发明名称
SPEAKER
摘要
申请公布号
JPH0738995(A)
申请公布日期
1995.02.07
申请号
JP19930197717
申请日期
1993.07.16
申请人
SONY CORP
发明人
FUJIHIRA MASAO
分类号
H04R1/24;H04R9/04;H04R9/06;(IPC1-7):H04R9/06
主分类号
H04R1/24
代理机构
代理人
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地址
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