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发明名称
ECHO CANCELLER
摘要
申请公布号
JPH05252079(A)
申请公布日期
1993.09.28
申请号
JP19920081566
申请日期
1992.03.03
申请人
FUJITSU LTD
发明人
FUJII KENSAKU;OGA TOSHIRO
分类号
H03H21/00;H03H17/00;H03H17/02;H04B3/23;H04M1/60;H04M3/56;H04Q3/42;(IPC1-7):H04B3/23
主分类号
H03H21/00
代理机构
代理人
主权项
地址
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