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发明名称
Indicating system
摘要
申请公布号
US2191329(A)
申请公布日期
1940.02.20
申请号
US19370177494
申请日期
1937.12.01
申请人
GENERAL ELECTRIC COMPANY
发明人
STRAUSS FERDINAND E.
分类号
H02H7/12
主分类号
H02H7/12
代理机构
代理人
主权项
地址
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