| 1. | Hand - and machine - operated circular screwing dies for taper pipe threads 锥形管螺纹用手攻和机攻圆板牙 |
| 2. | Hand taps for taper pipe threads 锥形管螺纹用手攻丝锥 |
| 3. | Gauges for taper pipe threads 锥形管螺纹量规 |
| 4. | Taper pipe threads with 60 degree 圆锥管螺纹 |
| 5. | Taper pipe threads , npt 额定推力的锥螺纹 |
| 6. | Standard specification for taper pipe threads 60 for thermoplastic pipe and fittings 热塑性塑料管及配件用60锥形管螺纹标准规范 |
| 7. | Taper pipe threads 锥管螺纹 |
| 8. | Hand - and machine - operated circular screwing dies for taper pipe threads . r series 锥形管螺纹用手控制和机器控制的圆形螺丝板牙. r系列 |
| 9. | I hand and machine - operated circular screwing dies for taper pipe threads , r series iso 4230 : 1987 ; german version en 24230 : 1989 加工r系列锥形管螺纹用的手操作和机器操作的圆板牙 |
| 10. | Screwing dies and dienuts - specification for hand - and machine - operated circular screwing dies for taper pipe threads ; r series 螺丝板牙和螺母状板牙.手用和机用锥形管螺纹用圆形螺丝板牙规范; r系列 |