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发明名称
ELECTRONIC EXCHANGE
摘要
申请公布号
JPH0622038(A)
申请公布日期
1994.01.28
申请号
JP19920175519
申请日期
1992.07.02
申请人
TOSHIBA CORP
发明人
NAGANO MASAAKI
分类号
H04M3/42;H04M3/54;H04Q3/58;(IPC1-7):H04M3/42
主分类号
H04M3/42
代理机构
代理人
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