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发明名称
BRACKET FOR SHEET MUSIC
摘要
申请公布号
US3544056(A)
申请公布日期
1970.12.01
申请号
USD3544056
申请日期
1968.01.08
申请人
JOHN E. BERQUIST
发明人
JOHN E. BERQUIST
分类号
A47B23/00;G10G7/00;(IPC1-7):G10D3/00
主分类号
A47B23/00
代理机构
代理人
主权项
地址
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