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发明名称
CARD ENCODER
摘要
申请公布号
US3524586(A)
申请公布日期
1970.08.18
申请号
USD3524586
申请日期
1968.11.12
申请人
DAVID E. GUTHRIE
发明人
DAVID E. GUTHRIE
分类号
G06K1/12;G06K21/06;(IPC1-7):G06K1/16;G06K1/20
主分类号
G06K1/12
代理机构
代理人
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