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发明名称
MICROPHONE ARRAY
摘要
申请公布号
JPH02234598(A)
申请公布日期
1990.09.17
申请号
JP19890055319
申请日期
1989.03.07
申请人
NEC CORP
发明人
TAKANASHI NOBUAKI
分类号
H04R1/40;(IPC1-7):H04R1/40
主分类号
H04R1/40
代理机构
代理人
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地址
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