JYL 300B-98 300B Vacuum tube factory direct sales Nano carbon material anode 500V high-pressure burning worranty 15 months

JYL 300B-98 300B Vacuum tube factory direct sales Nano carbon material anode 500V high-pressure burning worranty 15 months
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sku: 1005006334233956
$100.00
Shipping from: China
   Price history chart & currency exchange rate

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