| 摘要 |
PCT No. PCT/EP96/04454 Sec. 371 Date May 11, 1998 Sec. 102(e) Date May 11, 1998 PCT Filed Oct. 12, 1996 PCT Pub. No. WO97/13997 PCT Pub. Date Apr. 17, 1997The invention concerns a new kind of stand equipped with two separate balancing weights (5a,b), one of which balances the horizontal pivoting movement and the other of which balances the vertical pivoting movement. Various embodiments relate to electronic measuring means (6) and adjusting means (7) for automatic adjustment of the positions of the balancing weights (5a,b). (FIG. 2) |
