15:06 08-14
[마그네슘]
13:49 08-14
[비철금속]
08:38 08-14
[동]
08:37 08-14
[비철금속]
16:49 08-13
[주석(잉곳)]
16:48 08-13
[금속규소(공업규소)]
16:48 08-13
[연(잉곳)]
16:48 08-13
[금속규소(공업규소)]
16:48 08-13
[아연(잉곳)]
