| 1. | Rubber o - ring - designation , sizes and tolerances 橡胶o形密封圈.标识尺寸和公差 |
| 2. | Tubeless clamp in tyre valves with o - ring seal 轮胎气门带o形密封圈中无内胎卡箍 |
| 3. | Appearance quality for reciprocating rubber seals 往复运动橡胶密封圈外观质量 |
| 4. | Fluid systems ; o - rings ; quality acceptance criteria 液压系统.型密封圈.质量验收准则 |
| 5. | O - rings for stainless steel press - fittings 不锈钢卡压式管件用橡胶o型密封圈 |
| 6. | Rotary shaft lip type seals - performance test proceduces 旋转轴唇形密封圈性能试验方法 |
| 7. | Models of rubber sealing ring matching with pvc pipe 与pvc管道配套的橡胶密封圈规格: |
| 8. | The disc sealing ring is easy to replace and maintain 阀板密封圈易于更换,便于维修。 |
| 9. | Rubber sealing rings for lever stoppers of bottles 瓶子杆式塞用橡胶密封圈 |
| 10. | Appearance quality acceptance criteria for rubber o - rings 形橡胶密封圈外观质量检验标准 |