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发明名称
Control device indicator
摘要
申请公布号
US2456949(A)
申请公布日期
1948.12.21
申请号
US19470776884
申请日期
1947.09.30
申请人
GENERAL ELECTRIC COMPANY
发明人
KEIM DONALD B.
分类号
G05G1/10;H01H3/08;H01H9/16
主分类号
G05G1/10
代理机构
代理人
主权项
地址
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