99.99% Au:Cu=80:20 wt%
1元
99.999% Al plate
99.9% V plate
玻璃晶圆 双抛
99.995% Al wire
99.99% Ag wire
99.99% Cu wire
氧化铝 坩埚
氮化硼 坩埚
坩埚
99.999% SiC substrate
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