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发明名称
Resetting device for counters
摘要
申请公布号
US2035891(A)
申请公布日期
1936.03.31
申请号
US19310559689
申请日期
1931.08.27
申请人
THE M. L. JEFFREY CORPORATION
发明人
JEFFREY MAX L.
分类号
G06M1/34
主分类号
G06M1/34
代理机构
代理人
主权项
地址
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