| 1. | Oval metallic ring gaskets for steel pipe flange joints 钢制管法兰连接用椭圆形金属环垫 |
| 2. | Octagonal metallic ring gaskets for steel pipe flanges joints 钢制管法兰连接用八角形金属环垫 |
| 3. | Make an inventory of all ring gaskets 开一个所有垫圈的清单 |
| 4. | Specification for metallic ring gasket for steel pipe flanges joint 钢制管法兰连接用金属环垫技术条件 |
| 5. | Specification for metallic ring gaskets for steel pipe flange joints 钢制管法兰连接用金属环垫技术条件 |
| 6. | Cylinder head ring gasket 气缸盖密封环 |
| 7. | Flanges and their joints - dimensions of gaskets for pn - designated flanges - polymeric o - ring gaskets for grooved flanges 法兰及其连接件. pn标示法兰用垫圈的尺寸.有槽法兰用聚合o形密封圈 |
| 8. | Flanges and their joints - dimensions of gaskets for pn - designated flanges - part 8 : polymeric o - ring gaskets for grooved flanges 法兰及其连接件. pn标示法兰用垫圈的尺寸.第8部分:带槽法兰用聚酯o形密封圈 |
| 9. | Flanges and their joints - dimensions of gaskets for pn - designated flanges - part 8 : polymeric o - ring gaskets for grooved flanges ; german version en 1514 - 8 : 2004 法兰及其连接件. pn标示法兰用垫圈的尺寸.第8部分:带 |