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发明名称
SYSTEM FOR MUTUALLY CONNECTING CALLS BETWEEN UNSPECIFIED TELEPHONE SETS
摘要
申请公布号
JPH0946421(A)
申请公布日期
1997.02.14
申请号
JP19950190324
申请日期
1995.07.26
申请人
NEC COMMUN SYST LTD
发明人
TAKEISHI NAMIKO
分类号
H04M3/42;(IPC1-7):H04M3/42
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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