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发明名称
Perfectionnements aux systèmes téléphoniques
摘要
申请公布号
FR1486681(A)
申请公布日期
1967.06.30
申请号
FR19660069324
申请日期
1966.07.13
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
SCHADEWALD DIETER;T? KURT
分类号
H04Q5/24
主分类号
H04Q5/24
代理机构
代理人
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地址
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