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发明名称
Improvements in loose leaf binders
摘要
申请公布号
GB948465(A)
申请公布日期
1964.02.05
申请号
GB19600033223
申请日期
1960.09.28
申请人
BENSONS TOOL WORKS LIMITED
发明人
BENNETT PHILLIP
分类号
B42F13/12
主分类号
B42F13/12
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代理人
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