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发明名称
Clock with a rotating advertising disc or drum
摘要
申请公布号
GB465084(A)
申请公布日期
1937.04.30
申请号
GB19360017358
申请日期
1936.06.22
申请人
EDGAR STERNBERG
发明人
分类号
G09F23/16
主分类号
G09F23/16
代理机构
代理人
主权项
地址
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