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发明名称
Electrical musical instrument
摘要
申请公布号
US2141231(A)
申请公布日期
1938.12.27
申请号
US19360071397
申请日期
1936.03.28
申请人
FRIEDRICH TRAUTWEIN
发明人
TRAUTWEIN FRIEDRICH
分类号
G10H5/10
主分类号
G10H5/10
代理机构
代理人
主权项
地址
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