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发明名称
TONE SIGNAL DETECTORS
摘要
申请公布号
AU526137(B2)
申请公布日期
1982.12.16
申请号
AU19780042575
申请日期
1978.12.15
申请人
NIPPON ELECTRIC CO., LTD.
发明人
TOSHIHIRO MORI
分类号
H04L27/00;G01R23/00;G08B3/10;H04Q1/448;H04W88/02;(IPC1-7):G08C19/26;H03K5/15;H04Q7/02
主分类号
H04L27/00
代理机构
代理人
主权项
地址
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