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发明名称
Harmonica construction
摘要
申请公布号
US2687058(A)
申请公布日期
1954.08.24
申请号
US19510249425
申请日期
1951.10.03
申请人
MAGNUS HARMONICA CORPORATION
发明人
OBST CHARLES J.
分类号
G10D7/12
主分类号
G10D7/12
代理机构
代理人
主权项
地址
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