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发明名称
Idle lock for calculating machines
摘要
申请公布号
US2018933(A)
申请公布日期
1935.10.29
申请号
US19320640229
申请日期
1932.10.29
申请人
FELT & TARRANT MANUFACTURING COMPANY
发明人
TURCK JOSEPH A. V.
分类号
G06C23/02
主分类号
G06C23/02
代理机构
代理人
主权项
地址
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