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发明名称
Perfectionnements aux systèmes récepteurs de signalisations en multifréquences
摘要
申请公布号
FR1286232(A)
申请公布日期
1962.03.02
申请号
FR19610858367
申请日期
1961.04.11
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
CHITTLEBURGH WILLIAM FRANCIS SIDNEY;SIMMONDS ERNEST SIDNEY
分类号
H04L27/30;H04Q1/453
主分类号
H04L27/30
代理机构
代理人
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地址
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