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发明名称
CALL TRANSFER METHOD
摘要
申请公布号
JPH0256137(A)
申请公布日期
1990.02.26
申请号
JP19880207843
申请日期
1988.08.22
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
SUZUKI MUNEYOSHI;MUTO YUTAKA;NAKAYAMA TOSHIHIKO
分类号
H04M3/54;H04L12/00
主分类号
H04M3/54
代理机构
代理人
主权项
地址
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