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经营范围
发明名称
Musical instrument
摘要
申请公布号
US2117345(A)
申请公布日期
1938.05.17
申请号
US19360115303
申请日期
1936.12.11
申请人
OTTO MIESSNER WILLIAM
发明人
MIESSNER WILLIAM OTTO
分类号
G10D13/08
主分类号
G10D13/08
代理机构
代理人
主权项
地址
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