Superseded
Standard
Historical
BS 1438:1971
Specification for media for biological percolating filters
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No description.
Technical characteristics
| Publisher | British Standards Institution (BSI) |
| Publication Date | 09/07/1971 |
| Cancellation Date | 03/05/2004 |
| Page Count | 32 |
| Themes | Size classification |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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Previous versions
05/03/2004
Active
Most Recent
07/09/1971
Superseded
Historical
02/09/1948
Withdrawn
Most Recent