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发明名称
Supervisory system
摘要
申请公布号
US3231878(A)
申请公布日期
1966.01.25
申请号
US19620232623
申请日期
1962.10.23
申请人
SIMPLEX TIME RECORDER CO.
发明人
KRAMER ROGER G.;WATERMAN CHANDLER H.
分类号
G08B26/00;H04Q9/00;H04Q9/04
主分类号
G08B26/00
代理机构
代理人
主权项
地址
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