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发明名称
Display device
摘要
申请公布号
US1913415(A)
申请公布日期
1933.06.13
申请号
US19290408693
申请日期
1929.11.21
申请人
CHRISTEN CHRISTENSEN
发明人
SCHMIDT ERWIN J.
分类号
G09F11/23
主分类号
G09F11/23
代理机构
代理人
主权项
地址
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