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发明名称
Adjustable and foldable desk and drawing board
摘要
申请公布号
US2555575(A)
申请公布日期
1951.06.05
申请号
US19470786467
申请日期
1947.11.17
申请人
CRAYTON THOMAS B
发明人
CRAYTON THOMAS B.
分类号
A47B19/00;A47B27/02
主分类号
A47B19/00
代理机构
代理人
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