I am looking for 3 target vaccum tubes 70x2000 Thanks Vytautas
Solar heating system 1 heating water capacity 5000L 2 stored water temperature 60 degree C from 5am to 10pm 3 water temperature of heater outlet 80 degree even if input at 25 degree C 4 nee
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We want to buy 1250mm2500mm15mm for out door use with a 9498 reflectionThank sOfer Spottheim
