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发明名称
Perfectionnements apportés aux dispositifs de changement automatique des disques d'enregistrement sonore
摘要
申请公布号
FR822026(A)
申请公布日期
1937.12.18
申请号
FRD822026
申请日期
1937.05.20
申请人
FILATURES ET TISSAGES DU 4-SEPTEMBRE ET APPLICATION MODERNE DES INVENTIONS
发明人
分类号
G11B17/16
主分类号
G11B17/16
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