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发明名称
Phonographe pour supports sonores en forme de bandes sans fin
摘要
申请公布号
FR837907(A)
申请公布日期
1939.02.23
申请号
FRD837907
申请日期
1938.05.13
申请人
TEFI-APPARATEBAU DR. DANIEL K.-G.
发明人
分类号
G11B15/50
主分类号
G11B15/50
代理机构
代理人
主权项
地址
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