EARTH MOVING AND MATERIAL HANDLING EQUIPMENT-NAMELY, SCRAPERS, AND EXCAVATORS AND PARTS THEREOF; CABLE-OPERATED SCRAPER AND EXCAVATOR UNITS AND PARTS THEREOF FOR REMOVING AND HANDLING BULK MATERIALS

[ Industrial analysis and research in the field of measuring, signaling, supervisory control and regulation of sound, speed, air pressure and flow, air quality, air, gas, wind, speed, electricity, water, atmospheric pressure, heat, temperature, light, and humidity; Industrial analysis and research in the field of pumps for machines, condensate drainage pumps, and an apparatus for air conditioning, refrigerating, and condensing boilers; Design and development of scientific instruments and appa...

Heating installations, namely, heat accumulators, heat pumps, hot-air space heating apparatus for industrial purposes, valves for air heating apparatus; steam production installations, namely, steam accumulators, steam boilers, regulating accessories for steam accumulators, namely, metered valves; refrigerating installations for household purposes, namely, electric space cooling apparatus; air filters for air cooling and conditioning units; air conditioning units; water cooling towers, refrig...