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发明名称
Improvements in or relating to direction signalling apparatus for use on motor vehicles
摘要
申请公布号
GB347781(A)
申请公布日期
1931.05.07
申请号
GB19300004617
申请日期
1930.02.11
申请人
PROTECTALL MOTOR SIGNAL, INC.
发明人
分类号
B60Q1/42
主分类号
B60Q1/42
代理机构
代理人
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