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发明名称
Moving display apparatus
摘要
申请公布号
US2097148(A)
申请公布日期
1937.10.26
申请号
US19360081228
申请日期
1936.05.22
申请人
GEO. W. BRADY & CO.
发明人
ERLANDSEN ALFRED CHARLES SEJER
分类号
G09F13/00
主分类号
G09F13/00
代理机构
代理人
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地址
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