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发明名称
Loose leaf notebook binder
摘要
申请公布号
US3315682(A)
申请公布日期
1967.04.25
申请号
US19650430013
申请日期
1965.02.03
申请人
BACHMAN DAVID H
发明人
BACHMAN DAVID H.
分类号
B42F13/02
主分类号
B42F13/02
代理机构
代理人
主权项
地址
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