Do scientific research 99.99% purity D3x100mm - D20x100mm pure Nb niobium metal bar round rods plate for lab

Do scientific research 99.99% purity D3x100mm - D20x100mm pure Nb niobium metal bar round rods plate for lab
sku: 1005002755473072
$12.00-1%
$11.89
Shipping from: China
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