Ignition device for low pressure gas discharge lamp
FR2570549A1
Quick electrical connection terminal for earthing
EP0063507A1
Electronic starter for fluorescent lamps comprising a time delay circuit cooperating with an overvoltage circuit and a preheating circuit
US4397304A
Solar sensor equipped with solar energy absorbing member and panel having such sensors
FR2516204A1
AUTONOMOUS LIGHTING TERMINAL
EP0013214A1
Absorber of solar energy, solar collector comprising such an absorber, and solar panel provided with such collectors
US4353354A
Solar energy transfer member for introduction into an envelope of a solar collector
EP0012646A1
Device for transferring solar energy by a heat-transfer fluid, and solar collector provided with such a device
IE792059L
Optical device permitting the strict control of luminance
EP0011521A1
Optical device affording a rigorous control of luminance with high efficiency, and lighting fixture comprising such a device
EP0005087A1
System of coupling accessories for electrical supply rail with asymmetrical profile
EP0004805A2
Solar collector comprising an element selectively absorbing the radiated energy
LU81054A1
Two-level power supply device for fluorescent lamps and lighting installation comprising such a device
EP0004220A1
Solar energy collector
PT68253A
Optical device providing a directing light beam and illuminating apparatus comprising such a device
ES467296A1
Subordination system adaptable to the motorized control of the light graduators, designed to ensure a constant level of used lighting. (Machine-translation by Google Translate, not legally binding)
US4174533A
Waveflux concentration reflector
NL7706642A
Electric lamp with transverse slot in bulb neck - has sleeve made from elastic material with low hysteresis and has cams engaging in cut=outs
GB1539667A
Fitting bases to electric lamp
ES458652A1
Improvements in reflecting appliances for the concentration of a wave flow. (Machine-translation by Google Translate, not legally binding)
