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经营范围
发明名称
Improvements in or relating to means or apparatus for signalling the direction course of road vehicles
摘要
申请公布号
GB328631(A)
申请公布日期
1930.05.01
申请号
GB19290003373
申请日期
1929.02.01
申请人
ARTHUR BRIER
发明人
分类号
B60Q1/34
主分类号
B60Q1/34
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