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发明名称
TELECONFERENCE TABLE
摘要
申请公布号
GB8404401(D0)
申请公布日期
1984.03.28
申请号
GB19840004401
申请日期
1984.02.20
申请人
CIT-ALCATEL
发明人
分类号
H04R1/40;H04R1/08;(IPC1-7):A47B37/00
主分类号
H04R1/40
代理机构
代理人
主权项
地址
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