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发明名称
LINE SWITCHING SYSTEM FOR MASTER AND SLAVE TELEPHONE SET
摘要
申请公布号
JPS645251(A)
申请公布日期
1989.01.10
申请号
JP19870161515
申请日期
1987.06.29
申请人
NEC CORP
发明人
NAKAMURA TAKAHARU;TOKURA TAKASHI
分类号
H04M1/72
主分类号
H04M1/72
代理机构
代理人
主权项
地址
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