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经营范围
发明名称
Toy musical instrument
摘要
申请公布号
US2472681(A)
申请公布日期
1949.06.07
申请号
US19470725656
申请日期
1947.01.31
申请人
GUSTAVE PROLL
发明人
PROLL GUSTAVE
分类号
G10D7/12;G10F1/20
主分类号
G10D7/12
代理机构
代理人
主权项
地址
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