| 1. | Spring hinge for plastic frames width 2 . 6mm , nickel silver 塑料架,板材架使用 |
| 2. | Spring hinge for plastic frames width 2 . 8mm , nickel silver 塑料架,板材架使用 |
| 3. | Spring hinge for plastic frames width 3 . 2mm , nickel silver 塑料架,板材架使用 |
| 4. | Building hardware ; spring hinges for doors , double action 建筑五金.双动门用弹簧门枢 |
| 5. | Building hardware ; spring hinges for doors , single action 建筑五金.单动门用弹簧门枢 |
| 6. | Adjustable non - load - bearing spring hinge for fire protecting doors 防火门用可调节非承重弹簧铰链 |
| 7. | Spring hinge for plastic frames width 3 . 0 mm , nickel silver 散装推板弹弓铰3 . 0mm焊脚? ,高镍白铜制造。 |
| 8. | Spring hinge for plastic frames width 2 . 6 mm , nickel silver 散装推板弹弓铰2 . 6mm焊脚? ,高镍白铜制造。 |
| 9. | Development of the first spring hinge 研制首批弹弓铰链 |
| 10. | Fire barrieres ; hinges for fire doors ; spring hinge and supporting hinge 防火间隔.防火门的铰链.弹性铰链和支撑铰链 |