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发明名称
PUNCHED CARD READERS
摘要
申请公布号
GB1349360(A)
申请公布日期
1974.04.03
申请号
GBD1349360
申请日期
1972.03.30
申请人
SEALECTRO LTD;EVANS N E
发明人
分类号
G06K7/04;(IPC1-7):G06K7/04
主分类号
G06K7/04
代理机构
代理人
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