IN2015CH01912AIN1912CH2015AIN2015CH01912AIN 2015CH01912 AIN2015CH01912 AIN 2015CH01912AIN 1912CH2015 AIN1912CH2015 AIN 1912CH2015AIN 2015CH01912 AIN2015CH01912 AIN 2015CH01912A
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Three wall vacuum tube solar collector located in the focus of a non moving semicylindrical parabolic reflector used for production of steam to get electric and thermal energy