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发明名称
Ring binder
摘要
申请公布号
GB9405515(D0)
申请公布日期
1994.05.04
申请号
GB19940005515
申请日期
1991.09.16
申请人
WORLD WIDE STATIONERY MFG CO
发明人
分类号
B42F13/26
主分类号
B42F13/26
代理机构
代理人
主权项
地址
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