| 1. | Metal construction . preparation of parts in the factory 金属结构.构件在工厂中的制备 |
| 2. | Metal construction . riveted assemblies . execution of assemblies 金属结构.铆订连接.铆接施工 |
| 3. | 5 . metal construction modules thereof 5 .金属建筑结构及组件制造 |
| 4. | Metal construction modules thereof 金属建筑结构及组件制造 |
| 5. | Metal construction . welded assemblies . ranges of non destructives control 金属结构.焊接连接.无损检测范围 |
| 6. | Park steel , piangang , metal construction materials production , marketing 园钢、扁钢、金属建筑材料生产、销售。 |
| 7. | Flexible connectors of other than all - metal construction for gas appliances 燃气器具用不同于全金属结构的挠性接头 |
| 8. | Metal construction . assembly by non prestressed bolts . execution of assemblies 金属结构件.非预应力螺栓连接.连接施工 |
| 9. | Metal construction . riveted assemblies . conditions of construction . design of rivets 金属结构.铆接组件.结构条件.铆钉的设计 |
| 10. | Metal construction . jointing by means of bolts with controlled tightening . execution of joints 金属结构.可控拉紧螺栓连接.连接施工 |