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发明名称
Piano.
摘要
申请公布号
DK52612(C)
申请公布日期
1937.01.25
申请号
DKD52612
申请日期
1935.09.26
申请人
PIANOTEKNIKER SVEN GUNNFORS;PIANOTEKNIKER ARTUR EINAR PETRUS OESTLUND
发明人
PIANOTEKNIKER SVEN GUNNFORS;PIANOTEKNIKER ARTUR EINAR PETRUS OESTLUND
分类号
主分类号
代理机构
代理人
主权项
地址
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