| 摘要 |
The invention relates to a folder, which can be used as a knee board, comprising two folder covers (3), which have at least one holder (5, 6) for holding documents and which are joined to one another by at least one hinged joint (1). The aim of the invention is to create advantageous structural relationships. To this end, the invention provides that the hinged joint (1) can be arrested by a locking device (7) that joins both folder covers (3) to one another. |
