Lasers not for medical use, particularly for material machining, marking lasers; light conductors, namely, fiber optics; laser not for medical use; laser equipment for non-medical purposes, namely, hydraulic, electric, pneumatic and optical regulating devices for lasers and laser beams and laser guidance and mirror guidance, positioning components, light-conducting fiber components, beam forming devices and the processes and sensors therefor; optical objectives in the nature of laser cutting ...