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发明名称
Supplementary dialling code
摘要
申请公布号
GB0418021(D0)
申请公布日期
2004.09.15
申请号
GB20040018021
申请日期
2004.08.12
申请人
CHEERS INTERNATIONAL TELECOM LTD
发明人
分类号
H04M15/00
主分类号
H04M15/00
代理机构
代理人
主权项
地址
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