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发明名称
INFORMATION CARD RETRIEVAL DEVICE
摘要
申请公布号
JPS5663680(A)
申请公布日期
1981.05.30
申请号
JP19800145621
申请日期
1980.10.20
申请人
RICOH KK
发明人
YANAGAWA NOBUYUKI
分类号
G06K21/00;G06K21/02
主分类号
G06K21/00
代理机构
代理人
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