Niveau laser Bosch - PLL 1 P (ligne laser de zone de travail 5 m, point de zone de travail laser 20 m, boite de rangement) au meilleur prix | E.Leclerc
NOVIPRO - Télémètre laser T50 - portée 50 m - 115x52x27 mm | POINT.P
A LASER is aimed at an unknown angle into a rectangular mirrored room at point "P" from a distance of 20 units from point "L" as shown. The resultant pattern is symmetrical