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发明名称
Folding display
摘要
申请公布号
US2147132(A)
申请公布日期
1939.02.14
申请号
US19380203798
申请日期
1938.04.23
申请人
CHICAGO CARDBOARD COMPANY
发明人
ZIEMMERMAN HENRY
分类号
G09F1/06
主分类号
G09F1/06
代理机构
代理人
主权项
地址
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