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发明名称
Bureaux téléphoniques interurbains n'utilisant pas de tricordes
摘要
申请公布号
FR54653(E)
申请公布日期
1950.07.27
申请号
FRD54653
申请日期
1943.09.22
申请人
LE MATERIEL TELEPHONIQUE
发明人
HENQUET ANDRE-JEAN;MAUGE ROGER-MARCEL
分类号
H04M3/60
主分类号
H04M3/60
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代理人
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