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发明名称
Current responsive instrument
摘要
申请公布号
US2250969(A)
申请公布日期
1941.07.29
申请号
US19370127744
申请日期
1937.02.25
申请人
GENERAL ELECTRIC COMPANY
发明人
SEEFELD GEORG
分类号
G08B25/00
主分类号
G08B25/00
代理机构
代理人
主权项
地址
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