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发明名称
Dispositif producteur d'harmonique pour instruments de musique à cordes
摘要
申请公布号
FR682845(A)
申请公布日期
1930.06.03
申请号
FRD682845
申请日期
1929.10.07
申请人
MILLS NOVELTY COMPANY
发明人
分类号
G10F1/18
主分类号
G10F1/18
代理机构
代理人
主权项
地址
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