| 1. | Hardenability bands for carbon and alloy h steels
碳素钢和合金工字钢的可淬透性带 |
| 2. | Iron and steel . ipe section . parallel flanged beams
钢铁. ipe型材.两边平行的工字钢 |
| 3. | Means of packaging ; rolled i - steel for drums ; dimensions
包装方法.圆桶用轧制工字钢.尺寸 |
| 4. | Hot - rolled beam steel - dimensions , shape , weight and tolerances
热轧工字钢尺寸外形重量及允许偏差 |
| 5. | Hot - rolled beam steel dimensions , shape , weight and tolerances
热轧工字钢尺寸外形重量及允许偏差 |
| 6. | Hot - rolled beam steel - dimensions , shape , weight and tolerances
热轧工字钢尺寸外形重量及允许偏差 |
| 7. | Square taper washers for i section
工字钢用方斜垫圈 |
| 8. | End - bearing steel h - pile
端部承载的工字钢桩 |
| 9. | Anti - collapse equipment of roadway support excavated by blasting in wangzhuang coal mine
炮掘巷道工字钢棚防倒装置的研制 |
| 10. | Construction machinery and equipment . high strength square taper washers for section
建筑机械与设备.工字钢用高强度方斜垫圈 |
