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发明名称
Signalling system
摘要
申请公布号
GB0122288(D0)
申请公布日期
2001.11.07
申请号
GB20010022288
申请日期
2001.09.14
申请人
MITEL KNOWLEDGE CORPORATION
发明人
分类号
H04M1/215;H04M1/60
主分类号
H04M1/215
代理机构
代理人
主权项
地址
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