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发明名称
MICROPHONE
摘要
申请公布号
JPH0715785(A)
申请公布日期
1995.01.17
申请号
JP19930177566
申请日期
1993.06.25
申请人
SONY CORP
发明人
FUJIHIRA MASAO
分类号
H04R1/20;H04R1/38;(IPC1-7):H04R1/38
主分类号
H04R1/20
代理机构
代理人
主权项
地址
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