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发明名称
Adjustable comparator
摘要
申请公布号
US2568558(A)
申请公布日期
1951.09.18
申请号
US19470748195
申请日期
1947.05.15
申请人
NILSSON GAGE COMPANY, INC.
发明人
NILSSON JOHN CHARLES
分类号
G01B3/44
主分类号
G01B3/44
代理机构
代理人
主权项
地址
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