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发明名称
Pneumatic card reader
摘要
申请公布号
US3417232(A)
申请公布日期
1968.12.17
申请号
US19640378792
申请日期
1964.06.29
申请人
SPERRY RAND CORPORATION
发明人
LUKOFF HERMAN;SCHONFELD ARNOLD
分类号
G06K7/02
主分类号
G06K7/02
代理机构
代理人
主权项
地址
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