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经营范围
发明名称
Electric controlling apparatus
摘要
申请公布号
US2259647(A)
申请公布日期
1941.10.21
申请号
US19390255393
申请日期
1939.02.09
申请人
WARD LEONARD ELECTRIC COMPANY
发明人
LOGAN FRANK G.
分类号
G05F1/32
主分类号
G05F1/32
代理机构
代理人
主权项
地址
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