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发明名称
MICROPHONE SYSTEM AND SOUND COLLECTION METHOD
摘要
申请公布号
JPH11205889(A)
申请公布日期
1999.07.30
申请号
JP19980013495
申请日期
1998.01.09
申请人
CANON INC
发明人
WAKUI TETSUYA
分类号
H04R1/40;H04R3/00;(IPC1-7):H04R3/00
主分类号
H04R1/40
代理机构
代理人
主权项
地址
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