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发明名称
LOUDSPEAKING TELEPHONE
摘要
申请公布号
GB2122454(B)
申请公布日期
1985.11.20
申请号
GB19830013956
申请日期
1983.05.20
申请人
* MITEL CORPORATION
发明人
ZBIGNIEW BOLESLAW * STYRNA
分类号
H04M1/60;H04M9/08;(IPC1-7):H04M1/60
主分类号
H04M1/60
代理机构
代理人
主权项
地址
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