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经营范围
发明名称
Matériel didactique facilitant l'étude des problèmes de la théorie musicale
摘要
申请公布号
FR1141961(A)
申请公布日期
1957.09.12
申请号
FRD1141961
申请日期
1955.12.01
申请人
发明人
CUISINIER
分类号
G10G1/02
主分类号
G10G1/02
代理机构
代理人
主权项
地址
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