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发明名称
TELEPHONE EXCHANGE
摘要
申请公布号
JPS6333049(A)
申请公布日期
1988.02.12
申请号
JP19860177053
申请日期
1986.07.28
申请人
NEC CORP
发明人
TAKAHASHI KATSUHIRO
分类号
H04M3/02;H04M3/14;H04Q3/54
主分类号
H04M3/02
代理机构
代理人
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地址
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