发明名称 DOCUMENT FILES
摘要 1493543 Filing papers HERBERT ZIPPEL GmbH & CO KG 6 Feb 1976 [17 Feb 1975] 04682/76 Heading B6E A quick release mechanism 1 for a filing folder comprises a hollow, plastics tube whose central portion 3 is secured to the folder 5 by a fillet 4 and hollow rivets and whose end portions 2 are passed through holes in a clamping bar 9 provided with flanges 14 from the underside of which depend ribs 15 forcing the end portions 2 into contact with the underlying loose-leaves.
申请公布号 GB1493543(A) 申请公布日期 1977.11.30
申请号 GB19760004682 申请日期 1976.02.06
申请人 ZIPPEL GMBH & CO KG H 发明人
分类号 B42F13/12;B42F13/04;(IPC1-7):42F13/10 主分类号 B42F13/12
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