624.18
691
624.182
620.16 620.17 669 693.7
624.183
620.13
624.184
694
See also:
↑ 620.13 walling materials → 624.183 693.5 ↑ 620.16 metals → 546.3 624.182 669 ↑ 620.17 iron, steel → 624.182 ↑ 669 metallurgy → 546.3 620.16 624.18 671 ≈ `59F ↑ 691 building materials → 624.18 721.04 ↑ 693.7 metals → 624.182 ↑ 694 wooden buildings → 624.184 ↑ CO1 constructions and structural elements ≈ 624.18 ↑ CO9 congresses (constructions) ≈ 624.18
624.183 693.5
620.16
546.3 624.182 669
620.17
669
546.3 620.16 624.18 671 ≈ `59F
`59F
624.18 721.04
693.7
CO1
CO9
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