620.16
546.3 624.182 669
See also:
↑ 546.3 metals, metallic compounds, alloys → 620.16 669 ↑ 624.182 metal structures: iron, steel, aluminium → 620.16 620.17 669 693.7 ↑ 669 metallurgy → 546.3 620.16 624.18 671 ≈ `59F
546.3
620.16 669
624.182
620.16 620.17 669 693.7
669
546.3 620.16 624.18 671 ≈ `59F
`59F
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