| 1. | Internal combustion engines - piston rings - keystone rings 内燃机.活塞环.梯形环 |
| 2. | Internal combustion engines - piston rings - half keystone rings 内燃机活塞环.单面梯形活塞气环 |
| 3. | Internal combustion engines - piston rings - half keystone rings made of steel 内燃机.活塞环.钢制半梯形环 |
| 4. | Internal combustion engines - piston rings - half keystone rings made of cast iron 内燃机.活塞环.铸铁制半梯形环 |
| 5. | Internal combustion engines - small diameter piston rings - part 9 : keystone rings 内燃机.小直径活塞环.第9部分:楔形环 |
| 6. | Internal combustion engines ; piston rings ; keystone rings ; identical with iso 6624 - 1 : 1986 内燃机.活塞环.第1部分:梯形截面环 |
| 7. | Internal combustion engines - small diameter piston rings - part 10 : half keystone rings 内燃机.小直径活塞环.第10部分:半楔形环 |
| 8. | Half keystone ring 半梯形环 |
| 9. | Piston rings up to 200 mm diameter for reciprocating internal combustion engines : specification for half keystone rings 往复式内燃机用的直径为200mm及其以下的活塞环:半梯形活塞环规范 |
| 10. | Piston rings up to 200 mm diameter for reciprocating internal combustion engines - designs , dimensions and designations for single piece rings - keystone and half keystone compression rings - specification for keystone rings 往复式内燃机直径小于等于200mm的活塞环.第7部分:单片环的设计尺寸和命名.第3节:楔表面和半楔表面压缩环.第1小节:楔表面环的规范 |