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спринклер для защиты жилых помещенийударения
пож. residential sprinkler (A type of fast-response sprinkler having a thermal element with an RTI of 50 (m/s)1/2 or less that has been specifically investigated for its ability to enhance survivability in the room of fire origin, and that is listed for use in the protection of dwelling units (NFPA 13-2016) coopernord)