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发明名称
Téléphone à jetons comportant un dispositif pour tarifs étagés, destiné aux postes téléphoniques automatiques
摘要
申请公布号
FR872605(A)
申请公布日期
1942.06.15
申请号
FRD872605
申请日期
1939.08.01
申请人
TELEPHON-APPARAT-FABRIK. E ZWIETUSCH & CO, G.M.B.H.
发明人
分类号
H01H51/22;H04M17/02
主分类号
H01H51/22
代理机构
代理人
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