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CALL TRANSFER METHOD

申请公布号:JPH0256137(A)

申请号:JP19880207843

申请日期:1988.08.22

申请公布日期:1990.02.26

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

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