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发明名称
Ring binders
摘要
申请公布号
GB2004816(A)
申请公布日期
1979.04.11
申请号
GB19780038373
申请日期
1978.09.27
申请人
KOLOMAN HANDLER GMBH
发明人
分类号
B42F13/26;(IPC1-7):B42F13/16
主分类号
B42F13/26
代理机构
代理人
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地址
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