Содержание FDMR 60
Страница 1: ......
Страница 28: ...28 Position 1 Fire damper 2 Solid shaft construction 3 Mortar or gypsum 4 Duct 100...
Страница 1: ......
Страница 28: ...28 Position 1 Fire damper 2 Solid shaft construction 3 Mortar or gypsum 4 Duct 100...