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发明名称
Dispositif auxiliaire pour obtenir la formation exacte des numéros dans les appareils téléphoniques automatiques
摘要
申请公布号
FR784281(A)
申请公布日期
1935.07.22
申请号
FRD784281
申请日期
1935.01.17
申请人
发明人
DANIELE FALCHERO
分类号
H04M1/56
主分类号
H04M1/56
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代理人
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