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发明名称
Improvements in index-label holders for paper files
摘要
申请公布号
GB644177(A)
申请公布日期
1950.10.04
申请号
GB19480011143
申请日期
1948.04.22
申请人
RAYMOND ARTHUR EUGENE GUICHARD
发明人
分类号
B42F15/02
主分类号
B42F15/02
代理机构
代理人
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