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经营范围
发明名称
Improvements in card filing and sorting cabinets
摘要
申请公布号
GB418632(A)
申请公布日期
1934.10.29
申请号
GB19340010045
申请日期
1934.04.03
申请人
WALTER BUCKERIDGE
发明人
分类号
G06K21/02
主分类号
G06K21/02
代理机构
代理人
主权项
地址
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