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发明名称
Desk support
摘要
申请公布号
US2258532(A)
申请公布日期
1941.10.07
申请号
US19400323799
申请日期
1940.03.13
申请人
BARGEN WILLIAM J
发明人
BARGEN WILLIAM J.
分类号
A47B41/02
主分类号
A47B41/02
代理机构
代理人
主权项
地址
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