11
Solar collectors; solar heat collection panels; solar thermal installations, namely, solar thermal modules; solar thermal-based power plants; steam generating installations; steam generators; steam heating apparatus for industrial purposes; steam super heaters for industrial purposes
37
Installation and maintenance of solar energy based power plants; installation and maintenance of solar thermal hybrid installations; installation, repair and maintenance of condensing apparatus and steam condensers; installation and maintenance of solar thermal installations
40
Generation of energy
42
Technical planning of solar thermal hybrid installations; technical planning of solar thermal installations; technology planning and consulting in the field of solar energy and solar collectors; technical planning of solar energy based power plants
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