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经营范围
发明名称
Musical instrument
摘要
申请公布号
US1965475(A)
申请公布日期
1934.07.03
申请号
US19330667732
申请日期
1933.04.24
申请人
SMITH CLIFFORD R
发明人
SMITH CLIFFORD R.
分类号
G10B1/08
主分类号
G10B1/08
代理机构
代理人
主权项
地址
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