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经营范围
发明名称
Musical instrument
摘要
申请公布号
US2214314(A)
申请公布日期
1940.09.10
申请号
US19400318604
申请日期
1940.02.12
申请人
TILLERY WILLIAM T
发明人
TILLERY WILLIAM T.
分类号
G10D7/02
主分类号
G10D7/02
代理机构
代理人
主权项
地址
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