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经营范围
发明名称
Streichklavier
摘要
申请公布号
DE525245(C)
申请公布日期
1931.05.21
申请号
DE1929M109024D
申请日期
1929.03.05
申请人
MILLS NOVELTY COMPANY
发明人
分类号
G10D1/12
主分类号
G10D1/12
代理机构
代理人
主权项
地址
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