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发明名称
Action mechanisms for grand pianos
摘要
申请公布号
GB1137749(A)
申请公布日期
1968.12.27
申请号
GB19670014384
申请日期
1967.03.29
申请人
NIPPON GAKKI SEIZO KABUSHIKI KAISHA
发明人
MATSUMOTO YOSHIYUKI
分类号
G10C3/22
主分类号
G10C3/22
代理机构
代理人
主权项
地址
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