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发明名称
Punched card reader
摘要
申请公布号
US3321591(A)
申请公布日期
1967.05.23
申请号
US19650445385
申请日期
1965.04.05
申请人
FMA, INC.
发明人
TIMARES NORMAN R.
分类号
G21C15/24
主分类号
G21C15/24
代理机构
代理人
主权项
地址
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