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经营范围
发明名称
Appareil dérouleur de bandes sonores
摘要
申请公布号
FR882049(A)
申请公布日期
1943.05.14
申请号
FRD882049
申请日期
1942.05.13
申请人
发明人
ROCHER MAURICE-ANDRE-LOUIS
分类号
G11B15/26
主分类号
G11B15/26
代理机构
代理人
主权项
地址
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