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发明名称
Chevalet de mécanique de piano
摘要
申请公布号
FR1127481(A)
申请公布日期
1956.12.17
申请号
FRD1127481
申请日期
1955.05.28
申请人
发明人
BEAU OCTAVE-AUGUSTE
分类号
G10C3/16
主分类号
G10C3/16
代理机构
代理人
主权项
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