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发明名称
Circuit controller
摘要
申请公布号
US1856832(A)
申请公布日期
1932.05.03
申请号
US19300420348
申请日期
1930.01.13
申请人
GENERAL ELECTRIC COMPANY
发明人
HALVORSON CROMWELL A. B.
分类号
G08G1/085
主分类号
G08G1/085
代理机构
代理人
主权项
地址
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