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发明名称
TELEPHONE SYSTEM
摘要
申请公布号
GB2204464(A)
申请公布日期
1988.11.09
申请号
GB19880013681
申请日期
1987.10.13
申请人
BERNARD DOLLMAN * PARKER
发明人
BERNARD DOLLMAN * PARKER
分类号
H04M1/57;(IPC1-7):H04M1/57
主分类号
H04M1/57
代理机构
代理人
主权项
地址
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