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Vacuum tube
Vacuum tube
Name︰Vacuum tube
Brand Name︰xinwang
Country of Origin︰China
Product Description
1.Model:Diameter47x1500
Diameter58x1800
2.Structure:all glass coaxial,double-layer tubes
3.Absorption:0.94-0.96
4.made of strong borosilicate glass, high absorbing rate evacuated solar
tubes, fast heat transfer

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Vacuum tube
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