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Standard
Most Recent
BS 493:1967
Specification for airbricks and gratings for wall ventilation
No description.
Technical characteristics
| Publisher | British Standards Institution (BSI) |
| Publication Date | 12/14/1970 |
| Page Count | 0 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
No products.
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30/09/2010
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14/12/1970
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14/12/1970
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17/03/1945
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26/06/1933
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