79006550
Apr 26, 2004
Jan 10, 2006
APPARATUS FOR CONVERTING ELECTRONIC RADIATION TO ELECTRICAL ENERGY, NAMELY PHOTOVOLTAIC CELLS
Electrical and Scientific ApparatusSOLAR INSTALLATIONS, NAMELY, SOLAR SPACE HEATERS, SOLAR WATER HEATERS, SOLAR CELLS, SOLAR COLLECTORS, SOLAR HEAT COLLECTION PANELS; APPARATUS FOR ACCUMULATING HEAT, FOR TRANSFERRING HEAT, FOR HEAT RECOVERY FROM ENVIRONMENTAL ENERGY AS WELL AS FOR HEATING, INCLUDING PARTS OF THESE APPARATUS, NAMELY HEAT EXCHANGERS, HEAT PUMPS, HEATING COILS AND CIRCULATORS
Environmental Control Apparatus