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发明名称
Circuit controller
摘要
申请公布号
US1893365(A)
申请公布日期
1933.01.03
申请号
US19270205512
申请日期
1927.07.13
申请人
GENERAL ELECTRIC COMPANY
发明人
HALL CHESTER I.
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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