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发明名称
PUNCHED DATA CARD READER
摘要
申请公布号
US3534397(A)
申请公布日期
1970.10.13
申请号
USD3534397
申请日期
1966.05.20
申请人
AMP INC.
发明人
JOHN E. MCWADE
分类号
G06K7/04;(IPC1-7):G06K7/04;H01H3/16;H01H43/08
主分类号
G06K7/04
代理机构
代理人
主权项
地址
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