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BS 5440-2:1976

Заменен
Installation of flues and ventilation for gas appliances of rated input not exceeding 60 kW (1st, 2nd and 3rd family gases). Air supply
BS 5440-2:1976
Заменен
BS 5440-2:1989
Заменен
BS 5440-2:2000
Заменен
BS 5440-2:2009
Действует