99.99% Al:Cu:Ti=80:19:1 at%
1元
99.99% Cu plate
99.9999% Cu wire
99.99% Cu wire
99.8%(球形)-99.9% Cu powder
99.99% CuS powder
99.99%-99.999% Cu2S powder
99.9% Cu2O powder
99.9% CuO powder
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