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经营范围
发明名称
Means for the sorting and classification of documents or articles
摘要
申请公布号
US2696919(A)
申请公布日期
1954.12.14
申请号
US19480017984
申请日期
1948.03.30
申请人
CENTRE D'ETUDES M. B. A.
发明人
GOURDON ROBERT
分类号
B07C3/08
主分类号
B07C3/08
代理机构
代理人
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地址
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