JER
@jer_res_ee
International consultancy for research, product development and marketing in #BuildingPhysics, #RenewableEnergies, #EnergyEfficiency and #ClimateEngineering.
ID: 1257237891908018176
http://www.drjakobenergyresearch.de 04-05-2020 09:19:08
987 Tweet
136 Followers
240 Following