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Continue to ChatFraunhofer Sets New Solar CPV Module Efficiency Record https://cleantechnica.com/2016/02/25/fraunhofer-sets-new-solar-cpv-module-efficiency-record/
Fraunhofer Sets New Solar CPV Module Efficiency Record https://cleantechnica.com/2016/02/25/fraunhofer-sets-new-solar-cpv-module-efficiency-record/