| 1. | Short machine taps and hand taps for unified threads
统一标准螺纹用短机用丝锥和手用丝锥 |
| 2. | British standard whitworth thread b . s . w
英制惠氏标准螺纹 |
| 3. | Tap for english standard thread
英制标准螺纹丝锥 |
| 4. | Respiratory protective devices : threads for facepieces - standard thread connection
呼吸保护设备.面具用螺纹.标准螺纹连接 |
| 5. | A version with metric or unified threaded loading hole is available as well
另有一款公制螺纹孔或统一标准螺纹孔可供选择。 |
| 6. | Unified screw thread
统一标准螺纹 |
| 7. | Respiratory protective devices . threads for facepieces . part 1 : standard thread connection
呼吸保护装置.面具螺纹.第1部分:标准螺纹连接件 |
| 8. | Respiratory protective devices and diving apparatus - standard thread - part 1 : theoretic profile
呼吸保护器和潜水器.标准螺纹.第1部分:理论牙型 |
| 9. | Respiratory protective devices and diving apparatus - standard thread - part 3 : screw plug gauges
呼吸保护器和潜水器.标准螺纹.第3部分:螺纹塞规 |
| 10. | Respiratory protective devices and diving apparatus - standard thread - part 2 : go ring gauges and not go ring gauges
呼吸保护和潜水器.标准螺纹.第2部分:螺纹过端环规和 |
