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发明名称
Knockdown display structure
摘要
申请公布号
US2808221(A)
申请公布日期
1957.10.01
申请号
US19540406540
申请日期
1954.01.27
申请人
BURTON-RODGERS INC.
发明人
ELSBERND CARL A.
分类号
G09F1/00
主分类号
G09F1/00
代理机构
代理人
主权项
地址
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