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发明名称
Improvements in signalling devices for use on vehicles
摘要
申请公布号
GB337745(A)
申请公布日期
1930.10.27
申请号
GB19290023057
申请日期
1929.07.26
申请人
ROBERT STUART MACRAE
发明人
分类号
B60Q1/34
主分类号
B60Q1/34
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代理人
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