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经营范围
发明名称
A ring binder mechanism
摘要
申请公布号
EP0960746(A3)
申请公布日期
2000.03.29
申请号
EP19990301947
申请日期
1999.03.15
申请人
WORLD WIDE STATIONERY MANUFACTURING CO. LTD.
发明人
PI, JIN BIAO
分类号
B42F13/26;(IPC1-7):B42F13/26
主分类号
B42F13/26
代理机构
代理人
主权项
地址
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