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发明名称
Telephone system
摘要
申请公布号
GB2290003(A)
申请公布日期
1995.12.06
申请号
GB19940010602
申请日期
1994.05.26
申请人
* BEST DIRECT
发明人
MICHAEL * LEVENE
分类号
H04M3/46;H04M3/51;H04M7/00;(IPC1-7):H04M3/54
主分类号
H04M3/46
代理机构
代理人
主权项
地址
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