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经营范围
发明名称
CALL TRANSFER SYSTEM
摘要
申请公布号
JPH05268362(A)
申请公布日期
1993.10.15
申请号
JP19920062569
申请日期
1992.03.18
申请人
发明人
分类号
H04M3/54;H04M7/00;(IPC1-7):H04M3/54
主分类号
H04M3/54
代理机构
代理人
主权项
地址
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