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发明名称
Credit mechanism employing card punch members
摘要
申请公布号
US3008633(A)
申请公布日期
1961.11.14
申请号
US19580717742
申请日期
1958.02.26
申请人
PENNINGTON KERMIT M
发明人
PENNINGTON KERMIT M.
分类号
G06K1/06
主分类号
G06K1/06
代理机构
代理人
主权项
地址
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