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发明名称
Improvements in or relating to electrically operated devices applicable for display, advertisement, amusement or the like
摘要
申请公布号
GB458997(A)
申请公布日期
1936.12.31
申请号
GB19350025054
申请日期
1935.09.09
申请人
CHARLES TREGONING
发明人
分类号
G09F13/00
主分类号
G09F13/00
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