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发明名称
Bridge for stringed musical instruments
摘要
申请公布号
US2247565(A)
申请公布日期
1941.07.01
申请号
US19400361469
申请日期
1940.10.17
申请人
WAGNER CHARLES W
发明人
WAGNER CHARLES W.
分类号
G10D3/04
主分类号
G10D3/04
代理机构
代理人
主权项
地址
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