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发明名称
Stringed musical instrument
摘要
申请公布号
US1803100(A)
申请公布日期
1931.04.28
申请号
US19280255959
申请日期
1928.02.21
申请人
RUDOLPH DOPYERA
发明人
DOPYERA RUDOLPH
分类号
G10D1/10
主分类号
G10D1/10
代理机构
代理人
主权项
地址
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