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发明名称
Appareil d'enregistrement sonore et de reproduction en liaison avec un poste téléphonique d'abonné
摘要
申请公布号
FR1081604(A)
申请公布日期
1954.12.21
申请号
FRD1081604
申请日期
1953.07.24
申请人
发明人
MU:LLER WILLY
分类号
G11B25/04;G11B31/00;H04M1/65
主分类号
G11B25/04
代理机构
代理人
主权项
地址
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