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发明名称
Signaling system for automotive vehicles
摘要
申请公布号
US1862739(A)
申请公布日期
1932.06.14
申请号
US19300453505
申请日期
1930.05.19
申请人
DOUGLAS HARRY A
发明人
DOUGLAS HARRY A.
分类号
H01H21/26
主分类号
H01H21/26
代理机构
代理人
主权项
地址
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