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发明名称
Device for superimposing digit counts in the mechanical counters
摘要
申请公布号
US2838240(A)
申请公布日期
1958.06.10
申请号
US19550535766
申请日期
1955.09.21
申请人
HEUVER HERBERT M;D ANDREA JOHN B
发明人
HEUVER HERBERT M.;D'ANDREA JOHN B.
分类号
H03M1/00
主分类号
H03M1/00
代理机构
代理人
主权项
地址
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