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BS 5871-1:1991

Заменен
Specification for installation of gas fires, convector heaters, fire/back boilers and decorative fuel effect gas appliances, Gas fires, convector heaters and fire/back boilers (1st, 2nd and 3rd family gases) — 34 стр.
ICS
91.140.10 Central. Including burners and boilers for central heating systems / Системы центрального отопления. Включая горелки и котлы для систем центрального отопления
97.100.20 Gas heaters / Газовые нагреватели