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Inner tank: stainless steel SUS304-0.5mm |
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Vacuum tube: QB-AL-N/AL-47-1500/58-1800 |
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Outer tank: painted steel-0.4mm/ aluminum-zinc coated steel-0.45mm/ stainless steel SUS304 |
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Insulation: polyurethane 50mm/60mm |
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Frame: coated galvanized steel-1.5mm/ stainless steel SUS430-1.5mm |
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Reflector: aluminum components/stainless steel |
