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发明名称
Telephone system, associated exchange and transmission control method
摘要
申请公布号
GB0903561(D0)
申请公布日期
2009.04.08
申请号
GB20090003561
申请日期
2009.03.02
申请人
KABUSHIKI KAISHA TOSHIBA
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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