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发明名称
Disposition de couplage pour l'incitation de processus de commande dans les installations téléphoniques
摘要
申请公布号
FR731070(A)
申请公布日期
1932.08.29
申请号
FRD731070
申请日期
1932.02.05
申请人
SIEMENS & HALSKE AKTIEN-GESELLSCHAFT
发明人
分类号
H04Q1/30
主分类号
H04Q1/30
代理机构
代理人
主权项
地址
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