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发明名称
VOICE PRIVACY CALL DEVICE
摘要
申请公布号
JPH0362642(A)
申请公布日期
1991.03.18
申请号
JP19890196920
申请日期
1989.07.31
申请人
NEC CORP;NEC ENG LTD
发明人
FUSHIMI SHIGEO;OGIWARA TAKASHI
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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