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发明名称
Appareil téléphonique à paiement préalable.
摘要
申请公布号
CH222657(A)
申请公布日期
1942.07.31
申请号
CHD222657
申请日期
1941.05.24
申请人
"SODECO" SOCIETE DES COMPTEURS DE GENEVE
发明人
"SODECO" SOCIETE DES COMPTEURS DE GENEVE
分类号
H04M17/02
主分类号
H04M17/02
代理机构
代理人
主权项
地址
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