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发明名称
ECHO CANCELLER
摘要
申请公布号
JPH01276932(A)
申请公布日期
1989.11.07
申请号
JP19880105731
申请日期
1988.04.28
申请人
FUJITSU LTD
发明人
TANAKA YOSHIAKI;UMIGAMI SHIGEYUKI;INOUE MASAYOSHI
分类号
H04B3/23
主分类号
H04B3/23
代理机构
代理人
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地址
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