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发明名称
LOOSE LEAF BINDER
摘要
申请公布号
CA785029(A)
申请公布日期
1968.05.14
申请号
CAD785029
申请日期
申请人
BOORUM AND PEASE COMPANY
发明人
HENRY V. IVORY
分类号
主分类号
代理机构
代理人
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