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发明名称
Device for controlling electric circuits
摘要
申请公布号
US2170964(A)
申请公布日期
1939.08.29
申请号
US19360106852
申请日期
1936.10.21
申请人
SPERRY PRODUCTS, INC.
发明人
LANTY LOREN J. DE
分类号
G01N27/20
主分类号
G01N27/20
代理机构
代理人
主权项
地址
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