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发明名称
TELEPHONE SYSTEM
摘要
申请公布号
GB8724179(D0)
申请公布日期
1987.11.18
申请号
GB19870024179
申请日期
1987.10.15
申请人
TOSHIBA KK
发明人
分类号
H04M1/00;H04M1/247;H04M3/42
主分类号
H04M1/00
代理机构
代理人
主权项
地址
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