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发明名称
Improvements in or relating to the binding or filing of sheets of paper and the like
摘要
申请公布号
GB631466(A)
申请公布日期
1949.11.03
申请号
GB19460035703
申请日期
1946.12.02
申请人
FRANK CLIFF PAGE
发明人
分类号
B42F7/00
主分类号
B42F7/00
代理机构
代理人
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