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General space ventilation systems

Uniclass category Ss_65_40_33

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Kitchen extract ventilation systems (1)

Ss_65_40_33_45

Kitchen extract ventilation systems

Natural ventilation systems (8)

Ss_65_40_33_56

Natural ventilation systems

Passive stack ventilation systems (1)

Ss_65_40_33_60

Passive stack ventilation systems

Toilet extract ventilation systems (1)

Ss_65_40_33_90

Toilet extract ventilation systems