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发明名称
Pick for stringed instruments
摘要
申请公布号
US2221234(A)
申请公布日期
1940.11.12
申请号
US19390280628
申请日期
1939.06.22
申请人
MARY FRASIER
发明人
FRASIER MARY
分类号
G10D3/16
主分类号
G10D3/16
代理机构
代理人
主权项
地址
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