DIN EN 12412-4 E:1999-01 Thermal performance of windows, doors and shutters - Determination of thermal transmittance by hot box method - Part 4: Roller shutter boxes
2003DIN EN 12412-4:2003-11 Thermal performance of windows, doors and shutters - Determination of thermal transmittance by hot box method - Part 4: Roller shutter boxes; German version EN 12412-4:2003
2003DIN EN 12412-4:2003 Thermal performance of windows, doors and shutters - Determination of thermal transmittance by hot box method - Part 4: Roller shutter boxes; German version EN 12412-4:2003
1970DIN EN 12412-4 E:1999-01 Thermal performance of windows, doors and shutters - Determination of thermal transmittance by hot box method - Part 4: Roller shutter boxes