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发明名称
Display card
摘要
申请公布号
US1889438(A)
申请公布日期
1932.11.29
申请号
US19300496675
申请日期
1930.11.19
申请人
MCCRADY, RODGERS COMPANY
发明人
GAMES ARCHIBALD H.
分类号
G09F1/00
主分类号
G09F1/00
代理机构
代理人
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