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发明名称
Direction signal for motor vehicles
摘要
申请公布号
US1829890(A)
申请公布日期
1931.11.03
申请号
US19310524837
申请日期
1931.03.24
申请人
CHESTER JAMES C
发明人
CHESTER JAMES C.
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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