| 摘要 |
PCT No. PCT/NO96/00146 Sec. 371 Date Apr. 6, 1998 Sec. 102(e) Date Apr. 6, 1998 PCT Filed Jun. 14, 1996 PCT Pub. No. WO97/00035 PCT Pub. Date Jan. 3, 1997Adjustable chair equipped with a calf supporting board which by means of an over-center mechanism and a gas spring can be brought to a horizontal position when the angle between the seat and the back of the seat increases, the board being foldable when the angle is decreased. |
