Semiconductor
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Quartz-Semiconductor-Ring
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Alumina yumbu+Covar alloy-Semiconductor -Cera...
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Porous silicon carbide yumbu-Semiconductor-ce...
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Silicon carbide yumbu-Semiconductor-Silicon c...
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Porous silicon carbide yumbu-Semiconductor-ce...
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Porous silicon carbide yumbu-Semiconductor-ce...
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Porous silicon carbide yumbu-Semiconductor-ce...
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Zirconia yumbu-Semiconductor-Ceramic famfo
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Blue Zirconia yumbu-Semiconductor-Zirconia V ...
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Alumina ceramics-Semiconductor-Ceramic sassa
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Alumina ceramics-Semiconductor-Ceramic zobe
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Alumina ceramics-Semiconductor-Ceramic zobe