boilers 2 [vynechat] kotly 2 [vynechat] branná povinnosť 1 [vynechat] business enterprises 1 [vynechat] dejiny divadla 1 [vynechat] divadelná architektúra 1 [vynechat] divadelné budovy 1 [vynechat] ethnography 1 [vynechat] etnografia 1 [vynechat] gas heaters 1 [vynechat] industries 1 [vynechat] liability for military service 1 [vynechat] museum collections 1 [vynechat] múzejné zbierky 1 [vynechat] obyvateľstvo 1 [vynechat] plynové kotly 1 [vynechat] podniky 1 [vynechat] population 1 [vynechat] priemysel 1 [vynechat]