Double-Function Model Separate Solar System2006-12-19
1. collector specification:size 130mm*130mm。(1)vacuum tube 1500mm/φ47,12pcs/setor 24tubes/set (2)vacuum tube 1800mm/φ58,15pcs/set,20pcs/set or 30pcs/set。
2....
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Standard Model Separate Pressurized Solar System2006-12-19
1. collector specification:size 130mm*130mm。(1)vacuum tube 1500mm/φ47,12pcs/setor 24tubes/set (2)vacuum tube 1800mm/φ58,15pcs/set,20pcs/set or 30pcs/set。
2....
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