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发明名称
HAND-FREE TELEPHONE SET
摘要
申请公布号
JPH0353646(A)
申请公布日期
1991.03.07
申请号
JP19890189050
申请日期
1989.07.21
申请人
NEC CORP
发明人
FUJISAKI HISASHI
分类号
H04M1/60
主分类号
H04M1/60
代理机构
代理人
主权项
地址
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