 |
| |||
| British standard pipe straight thread | |||
| Briggs standard pipe thread | |||
| нормальная цилиндрическая трубная резьба: 10 phrases in 5 subjects |
| General | 3 |
| Mechanic engineering | 1 |
| Pipelines | 4 |
| Polymers | 1 |
| Rail transport | 1 |
|
| |||
| British standard pipe straight thread | |||
| Briggs standard pipe thread | |||
| нормальная цилиндрическая трубная резьба: 10 phrases in 5 subjects |
| General | 3 |
| Mechanic engineering | 1 |
| Pipelines | 4 |
| Polymers | 1 |
| Rail transport | 1 |