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发明名称
AUDIO PRIVACY TELEPHONE SET
摘要
申请公布号
JPH04156016(A)
申请公布日期
1992.05.28
申请号
JP19900278958
申请日期
1990.10.19
申请人
NEC CORP;NEC SHIZUOKA LTD
发明人
FUDA HITOSHI;MIZUNO YOSHINAO
分类号
H04K1/04
主分类号
H04K1/04
代理机构
代理人
主权项
地址
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