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发明名称
Improvements in or relating to acoustic control means in association with the direction indicators of motor vehicles and the like
摘要
申请公布号
GB531297(A)
申请公布日期
1941.01.01
申请号
GB19390020764
申请日期
1939.07.17
申请人
WILHELM REICHMAN
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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