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发明名称
Improved index tab for filing systems
摘要
申请公布号
GB909723(A)
申请公布日期
1962.10.31
申请号
GB19600005346
申请日期
1960.02.15
申请人
RONEO LIMITED
发明人
WOOLLEY LEONARD BRISBANE
分类号
B42F21/08
主分类号
B42F21/08
代理机构
代理人
主权项
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