Chemicals used for treatment of water intended for human consumption - Chemicals for emergency use - Trichloroisocyanuric acide; German version EN 12933:2000— 23 стр.
Chemicals used for treatment of water intended for human consumption - Chemicals for emergency use - Trichloroisocyanuric acid; German version EN 12933:2008— 31 стр.
Chemicals used for treatment of water intended for human consumption - Chemicals for emergency use - Trichloroisocyanuric acid; German version EN 12933:2008— 31 стр.