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发明名称
Program unit for time recorder
摘要
申请公布号
US2874773(A)
申请公布日期
1959.02.24
申请号
US19530349420
申请日期
1953.04.17
申请人
GENERAL TIME CORPORATION
发明人
LORENZ RICHARD L.
分类号
G04C23/30
主分类号
G04C23/30
代理机构
代理人
主权项
地址
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