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发明名称
Relay device for indicating if input digit lies within a predetermined range
摘要
申请公布号
US3019416(A)
申请公布日期
1962.01.30
申请号
US19590841885
申请日期
1959.09.23
申请人
HAGAN CHEMICALS & CONTROLS, INC.
发明人
GILL JOSEPH;SIPPACH FREDERICK W.
分类号
G06F7/02
主分类号
G06F7/02
代理机构
代理人
主权项
地址
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