79088644
May 10, 2010
Galena crystals (detectors); wafers (silicon slices); semi-conductors; single crystal silicon; silicon extending slices; quartz crystal; carbon materials; galvanic cells; solar batteries; batteries for lighting
Electrical and Scientific ApparatusSolar collectors (heating); lamps; radiators, electric; pocket warmers; heating installations; accumulators (heat); air filtering installations
Environmental Control ApparatusHips for roofing; construction materials, not of metal; roofing, not of metal, incorporating solar cells; lighting slabs; pantiles; buildings, not of metal; roofing, not of metal; slabs (lighting); paving slabs, not of metal; refractory fibre
Nonmetallic Building Materials