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发明名称
Method and system for utilizing communications lines
摘要
申请公布号
GB9805613(D0)
申请公布日期
1998.05.13
申请号
GB19980005613
申请日期
1998.03.18
申请人
SIEMENS BUSINESS COMMUNICATION SYSTEMS INC
发明人
分类号
H04M3/36;H04Q3/62
主分类号
H04M3/36
代理机构
代理人
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地址
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