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发明名称
Improvements relating to loose leaf binders
摘要
申请公布号
GB544950(A)
申请公布日期
1942.05.05
申请号
GB19400015948
申请日期
1940.10.31
申请人
MORLAND & IMPEY LIMITED;HAROLD ARTHUR CHERRY
发明人
分类号
B42F13/02
主分类号
B42F13/02
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代理人
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