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经营范围
发明名称
Warning signal
摘要
申请公布号
US2286735(A)
申请公布日期
1942.06.16
申请号
US19400355938
申请日期
1940.09.09
申请人
GENERAL MOTORS CORPORATION
发明人
HELGEBY RALPH O.
分类号
G01P1/11
主分类号
G01P1/11
代理机构
代理人
主权项
地址
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