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发明名称
PICTURE CONFERENCE DEVICE
摘要
申请公布号
JPH0267891(A)
申请公布日期
1990.03.07
申请号
JP19880219828
申请日期
1988.09.02
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
OKUDA HIDENORI;SHIMAMURA KAZUNORI;SATO YUICHI
分类号
H04N7/15
主分类号
H04N7/15
代理机构
代理人
主权项
地址
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