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发明名称
Music stand
摘要
申请公布号
US2188602(A)
申请公布日期
1940.01.30
申请号
US19370181332
申请日期
1937.12.23
申请人
HALL GEORGE E
发明人
HALL GEORGE E.
分类号
A47B19/08
主分类号
A47B19/08
代理机构
代理人
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