| BS EN 949 |
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Standard Number BS EN 949:1999 Windows and curtain walling, doors, blinds and shutters – Determination of the resistance to soft and heavy body impact for doors.
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Polls
| BS EN 949 |
|
|
|
|
Standard Number BS EN 949:1999 Windows and curtain walling, doors, blinds and shutters – Determination of the resistance to soft and heavy body impact for doors.
|