ES480902A1 - Improvements in tubular absorbers for the use of solar energy. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Improvements in tubular absorbers for the use of solar energy. (Machine-translation by Google Translate, not legally binding)
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Improvements in the tubular absorbers for the use of solar energy, characterized in that the absorber comprises a flexible and transparent outer tube and a flexible inner tube and black. (Machine-translation by Google Translate, not legally binding)
ES480902A1979-05-241979-05-24Improvements in tubular absorbers for the use of solar energy. (Machine-translation by Google Translate, not legally binding)
ExpiredES480902A1
(en)