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经营范围
发明名称
LINE SWITCHING UNIT
摘要
申请公布号
GB9006372(D0)
申请公布日期
1990.05.16
申请号
GB19900006372
申请日期
1990.03.21
申请人
TELECOM LINKLINE LTD
发明人
分类号
H04M11/06;H04N1/327
主分类号
H04M11/06
代理机构
代理人
主权项
地址
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