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| |||
| standard normal pressure | |||
| standard atmospheric pressure | |||
| pressure of one atmosphere | |||
| normal pressure; standard pressure | |||
| Normaldruck: 8 phrases in 7 subjects |
| British usage, not spelling | 1 |
| Chemistry | 2 |
| Coal | 1 |
| Earth sciences | 1 |
| General | 1 |
| Materials science | 1 |
| Physics | 1 |