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发明名称
Improvements in or relating to lummous advertising apparatus
摘要
申请公布号
GB396238(A)
申请公布日期
1933.08.03
申请号
GB19320025843
申请日期
1932.09.16
申请人
BERNHARD KRENGEL
发明人
分类号
G09F13/16
主分类号
G09F13/16
代理机构
代理人
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