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发明名称
Perfectionnements aux aiguilles destinées à coopérer avec des phonogrammes
摘要
申请公布号
FR791886(A)
申请公布日期
1935.12.18
申请号
FRD791886
申请日期
1935.06.28
申请人
发明人
DISTRIBUE
分类号
G11B3/48
主分类号
G11B3/48
代理机构
代理人
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