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发明名称
AUTOMATIC TELEPHONE CALL INTERCEPTOR AND INTERROGATOR DEVICES
摘要
申请公布号
GB9003261(D0)
申请公布日期
1990.04.11
申请号
GB19900003261
申请日期
1990.02.13
申请人
PROTON COMMUNICATIONS (INTERNATIONAL) LIMITED
发明人
分类号
H04M1/665
主分类号
H04M1/665
代理机构
代理人
主权项
地址
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