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发明名称
Electrical sequencing control
摘要
申请公布号
US2158887(A)
申请公布日期
1939.05.16
申请号
US19370139895
申请日期
1937.04.30
申请人
GENERAL ELECTRIC COMPANY
发明人
SWEET ALVA L.
分类号
H02P1/58
主分类号
H02P1/58
代理机构
代理人
主权项
地址
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