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发明名称
TELEPHONE SET SYSTEM
摘要
申请公布号
JPH01305752(A)
申请公布日期
1989.12.11
申请号
JP19880137740
申请日期
1988.06.03
申请人
NEC CORP
发明人
AMAYA KAZUHIKO
分类号
H04M1/00
主分类号
H04M1/00
代理机构
代理人
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