| 摘要 |
<p>The device with an orthogonal structure for the contemporary check of the horizontal and vertical position of shelves, uprights, pillars and similar, according to the present invention, comprising a spirit level system which allows a plurality of adjustments without continuously shifting for checking the different sides, consists of a multiple orthogonal structure, comprising a plurality of spirit levels for the contemporary check of the horizontal and vertical position and of the 45° inclination, following to one single installation, so as to allow the exact positioning of any structure to be placed in plane and/or perpendicular.</p> |
