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发明名称
Violin
摘要
申请公布号
US1887398(A)
申请公布日期
1932.11.08
申请号
US19310563190
申请日期
1931.09.16
申请人
CHASE EMERY H
发明人
CHASE EMERY H.
分类号
G10D3/02
主分类号
G10D3/02
代理机构
代理人
主权项
地址
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