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发明名称
Card reader
摘要
申请公布号
US3417233(A)
申请公布日期
1968.12.17
申请号
US19640397929
申请日期
1964.09.21
申请人
DATRON SYSTEMS, INC.
发明人
STEWART ALFRED W.
分类号
G06K13/073
主分类号
G06K13/073
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代理人
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