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经营范围
发明名称
Musical instrument
摘要
申请公布号
US2595382(A)
申请公布日期
1952.05.06
申请号
US19480067600
申请日期
1948.12.28
申请人
HUGIN ADOLPH C
发明人
HUGIN ADOLPH C.
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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