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发明名称
Collapsible step display stand
摘要
申请公布号
US2584849(A)
申请公布日期
1952.02.05
申请号
US19490125082
申请日期
1949.11.02
申请人
ARVEY CORPORATION
发明人
DECKER CHARLES A.;SCATURRO PETER S.
分类号
G09F5/00
主分类号
G09F5/00
代理机构
代理人
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