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发明名称
Display easel
摘要
申请公布号
US3056572(A)
申请公布日期
1962.10.02
申请号
US19600071062
申请日期
1960.11.22
申请人
PETER ECKRICH AND SONS, INC.
发明人
GELOW LAVERN E.
分类号
G09F1/10
主分类号
G09F1/10
代理机构
代理人
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地址
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