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发明名称
MULTI-POINT TELEVISION CONFERENCE DEVICE
摘要
申请公布号
JPH04314249(A)
申请公布日期
1992.11.05
申请号
JP19910106503
申请日期
1991.04.12
申请人
MITSUBISHI ELECTRIC CORP
发明人
NAKATSUKA KUNIO
分类号
H04M3/56;H04M3/42;H04N7/15
主分类号
H04M3/56
代理机构
代理人
主权项
地址
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