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经营范围
发明名称
Electric motor control circuit
摘要
申请公布号
US2426640(A)
申请公布日期
1947.09.02
申请号
US19430481058
申请日期
1943.03.29
申请人
SUBMARINE SIGNAL COMPANY
发明人
PETERSON ROBERT E.
分类号
G05D3/14
主分类号
G05D3/14
代理机构
代理人
主权项
地址
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