| 摘要 |
PROBLEM TO BE SOLVED: To provide a ring file and a binder which can bind a larger number of leaves. SOLUTION: This file comprises a binder 1 constituting a ring form for binding paper leaves mounted on a book jacket 2 and is characterized in that a pair of hinges are provided on the ring form at its predetermined position and a site 112 located in front of the hinge is inclined. COPYRIGHT: (C)2004,JPO&NCIPI
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