GB Gas Purging Calculator (v. 3)
gbgas001 опубликовал приложение 2012-10-25
Work out gas purging volumes. under IGE/UP1b Domestic installers can work on pipes up to and including |
US$4.90
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GB Gas Ventilation Calculator (v. 1.0)
gbgas001 опубликовал приложение 2012-10-25
A Gas Ventilation calculator for working out ventilation requirements for gas appliances. Open flued, Room sealed, Flueless appliances. |
US$4.08
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