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发明名称
Preenergizing circuits for line relay and vertical magnet of automatic switches
摘要
申请公布号
US2663762(A)
申请公布日期
1953.12.22
申请号
US19500183587
申请日期
1950.09.07
申请人
AUTOMATIC ELECTRIC LABORATORIES, INC.
发明人
LOMAX CLARENCE E.
分类号
H04Q3/00
主分类号
H04Q3/00
代理机构
代理人
主权项
地址
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