zlievárenstvo 621.74 1 [vynechat] bell founding 1 [vynechat] dejiny metalurgie 1 [vynechat] formy 1 [vynechat] founding 1 [vynechat] history of metallurgy 1 [vynechat] lead metallurgy 1 [vynechat] metalurgia olova 1 [vynechat] odliatky 1 [vynechat] odlievanie kovov 1 [vynechat] regional history 1 [vynechat] regionálne dejiny 1 [vynechat] výrobné technológie 1 [vynechat] zvonárstvo 1 [vynechat]