发明名称 |
Document folder has steel spring spine clamp whose front panel incorporates a semi-circular raised ridge |
摘要 |
<p>A document folder has front and rear covers linked by a spine incorporating a steel spring clamp. The front face of the clamp incorporates a semi-circular raised ridge whose summit is directed towards the clamp spine. The ridge radius is e.g. 10 mm.</p> |
申请公布号 |
DE202006018183(U1) |
申请公布日期 |
2007.02.01 |
申请号 |
DE20062018183U |
申请日期 |
2006.11.27 |
申请人 |
"DURABLE" HUNKE & JOCHHEIM GMBH & CO. KG |
发明人 |
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分类号 |
B42F9/00;B42F1/04 |
主分类号 |
B42F9/00 |
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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