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发明名称
Book supporting device
摘要
申请公布号
US2059679(A)
申请公布日期
1936.11.03
申请号
US19350015507
申请日期
1935.04.10
申请人
BURTON ROBERT H
发明人
BURTON ROBERT H.
分类号
A47B23/04
主分类号
A47B23/04
代理机构
代理人
主权项
地址
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Stencil for the application of reception holes in the hip region, and a basket therefor
