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发明名称
Time delay device
摘要
申请公布号
US2236283(A)
申请公布日期
1941.03.25
申请号
US19390295314
申请日期
1939.09.16
申请人
GENERAL ELECTRIC COMPANY
发明人
AYERS EDGAR H.
分类号
G04F3/06
主分类号
G04F3/06
代理机构
代理人
主权项
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