5g 1g Germanium Ingot 6N 99.9999% Ge Grain High Purity for Research and Development Element Metal Simple Substance

5g 1g Germanium Ingot 6N 99.9999% Ge Grain High Purity for Research and Development Element Metal Simple Substance
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sku: 1005003262282531
$8.96
Shipping from: China
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