NDNCZDHC Silicon Metal 99.99% High Purity Si Metal Element 14 Semiconductor Material Monocrystalline Si Block for Making Converters, Transistors and Diodes (50 g)

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NDNCZDHC Silicon Metal 99.99% High Purity Si Metal Element 14 Semiconductor Material Monocrystalline Si Block for Making Converters, Transistors and Diodes (50 g)