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发明名称
Book rack
摘要
申请公布号
US2157894(A)
申请公布日期
1939.05.09
申请号
US19350043629
申请日期
1935.10.04
申请人
PRESSED & WELDED STEEL PRODUCTS COMPANY, INC.
发明人
HASKIN WALTER E.
分类号
A47B19/04
主分类号
A47B19/04
代理机构
代理人
主权项
地址
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