99.99% Ag:Al=96.5:3.5 wt%
1元
99.95% W:Cu=3:97 wt%;W:Cu=6:94 wt%
99.99% W:C=82:18 at%;W:C=50:50 at%
99.99% Cu:Zn=7:3 wt%
99.9% Cu:Sn=8:2 wt%
99.95% Cu:Ni=90.7:9.3 wt%;Cu:Ni=98.5:1.5 wt%
99.99% Cu:Ni:Si=92.6:6:1.4 wt%
99.99% Cu:Ni:Si:Ag=91.1:6:1.4:1.5 wt%
99.9% Cu:Nb=97:3 wt%
99.99% Cu:Al=98:2 wt%;Cu:Al=90:10 wt%;Cu:Al=95:5 wt%;Cu:Al=99:1 wt%
99.9% Cu:Co=80:20 wt%;Cu:Co=90:10 wt%
99.9% Fe:W=60:40 wt%
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