| 摘要 |
PURPOSE: A paper for keeping document is provided to help a user to file document by inserting a clip to the punching holes on the upper side or the left side on the paper of standard size, or by using a three-ring binder for papers. CONSTITUTION: The paper for keeping document includes a paper of standard size(3); three punching holes(1) on the left side of the paper to be used with a three-ring binder; and two punching holes(2) on the upper side of the paper to be used with a clip.
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