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发明名称
Piano ou instrument de musique analogue
摘要
申请公布号
FR1170139(A)
申请公布日期
1959.01.09
申请号
FRD1170139
申请日期
1956.06.29
申请人
发明人
YAMAI MASATO
分类号
G10C3/08
主分类号
G10C3/08
代理机构
代理人
主权项
地址
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