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BS 5871-3:2005
Specification for the installation and maintenance of gas fires, convector heaters, fire/back boilers and decorative fuel effect gas appliances, Decorative fuel effect gas appliances of heat input not exceeding 20 kW (2nd and 3rd family gases)
46 стр.
Действует
Печатное изданиеПечатная копия
362.88 £ (включая НДС 20%)