W70Cu30 W75Cu25 W80Cu20 Dia 3-20mm Tungsten copper bar Tungsten Copper Alloy Good Electric Spark Put Electric Rod Length 200mm

W70Cu30 W75Cu25 W80Cu20 Dia 3-20mm Tungsten copper bar Tungsten Copper Alloy Good Electric Spark Put Electric Rod Length 200mm
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sku: 1005006572672355
$8.76
Shipping from: China
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