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发明名称
Photo-electric musical device
摘要
申请公布号
US2754713(A)
申请公布日期
1956.07.17
申请号
US19510207412
申请日期
1951.01.23
申请人
GABRIEL BAJOLET
发明人
BAJOLET GABRIEL
分类号
G10H3/06
主分类号
G10H3/06
代理机构
代理人
主权项
地址
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