| 摘要 |
FIELD: geodesy. ^ SUBSTANCE: device comprises platform mounted on the roof of a vehicle and grid floor for the operator arranged above the platform for permitting vertical movement. The opening in the floor freely receives the stand for a geodesic instrument. The device is also provided with four vertical rods, rigid frame, four movable lags, and control desk. ^ EFFECT: expanded functional capabilities. ^ 1 cl, 3 dwg |
