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发明名称
Improvements in operating means for traffic warning devices
摘要
申请公布号
GB333256(A)
申请公布日期
1930.08.08
申请号
GB19290014416
申请日期
1929.05.08
申请人
JOHN LINDSAY SCOTT
发明人
分类号
B60Q1/14
主分类号
B60Q1/14
代理机构
代理人
主权项
地址
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