发明名称 |
DOCUMENT HOLDERS |
摘要 |
<p>A document holder for releasably binding together loose-leaf stationery items and securing them to either single- or double-rail suspension filing systems is provided by a loose-leaf binder which incorporates a thin external spine structure incorporating at least one hook suitable for suspending the binder from single-rail suspension systems and retractable head- and tail-end hooks suitable for use with double-rail suspension systems.</p> |
申请公布号 |
CA1170141(A) |
申请公布日期 |
1984.07.03 |
申请号 |
CA19810392685 |
申请日期 |
1981.12.18 |
申请人 |
WRIGHT LINE INC. |
发明人 |
WRIGHT, DAVID M.;ERMANSKI, ALBERT G. |
分类号 |
B42F15/00;(IPC1-7):B42F15/00 |
主分类号 |
B42F15/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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