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经营范围
发明名称
INDEX CARD SELECTION DEVICE
摘要
申请公布号
GB1585379(A)
申请公布日期
1981.03.04
申请号
GB19800022760
申请日期
1978.04.13
申请人
CONFON AG
发明人
分类号
B42F17/34;(IPC1-7):B42F17/34
主分类号
B42F17/34
代理机构
代理人
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地址
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