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经营范围
发明名称
TELECOMMUNICATIONS SYSTEM
摘要
申请公布号
GB9108194(D0)
申请公布日期
1991.06.05
申请号
GB19910008194
申请日期
1991.04.17
申请人
GPT LIMITED
发明人
分类号
H04Q11/04
主分类号
H04Q11/04
代理机构
代理人
主权项
地址
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