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发明名称
RING BINDER SYSTEM
摘要
申请公布号
GB8612278(D0)
申请公布日期
1986.06.25
申请号
GB19860012278
申请日期
1986.05.20
申请人
NANDA, A;NANDA, V;SMITH, K E
发明人
分类号
B42F13/22;(IPC1-7):B42F13/22
主分类号
B42F13/22
代理机构
代理人
主权项
地址
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