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经营范围
发明名称
Automatic electric hand signal
摘要
申请公布号
US1860109(A)
申请公布日期
1932.05.24
申请号
US19270219211
申请日期
1927.09.13
申请人
HELEN MARCIN
发明人
MARCIN HELEN
分类号
B60Q1/34
主分类号
B60Q1/34
代理机构
代理人
主权项
地址
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