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发明名称
VOICE PRIVACY TELEPHONE EQUIPMENT
摘要
申请公布号
JPH0530082(A)
申请公布日期
1993.02.05
申请号
JP19910178551
申请日期
1991.07.19
申请人
NEC CORP;NEC ENG LTD
发明人
NAKANISHI YOSHINOBU;OGIWARA TAKASHI
分类号
H04K1/02
主分类号
H04K1/02
代理机构
代理人
主权项
地址
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