hydraulic mechanisms hydraulické mechanizmy 4 [vynechat] building fittings 2 [vynechat] locks 2 [vynechat] stavebné kovanie 2 [vynechat] zámky 2 [vynechat] fluid mechanics 1 [vynechat] fluid mechanisms 1 [vynechat] hydrostatics 1 [vynechat] hydrostatika 1 [vynechat] lopatkové stroje 1 [vynechat] mechanika tekutín 1 [vynechat] pumps 1 [vynechat] tekutinové mechanizmy 1 [vynechat] turbomachines 1 [vynechat] čerpadlá 1 [vynechat]