| 1. | Asbestos rubber gaskets for steel pipe flanges with full face 平面型钢制管法兰用石棉橡胶垫片 |
| 2. | Asbestos rubber gaskets for steel pipe flanges with raised face 凸面型钢制管法兰用石棉橡胶垫片 |
| 3. | Specification for asbestos rubber gaskets for steel pipe flanges 钢制管法兰用石棉橡胶垫片技术条件 |
| 4. | Rubber gasket for aluminium canteen 铝背水壶橡胶密垫封片 |
| 5. | Rubber gasket ring of prestressed and self - stressing concrete pipe 预应力与自应力钢筋混凝土管用橡胶密封圈 |
| 6. | Asbestos rubber gaskets for steel pipe flanges with male and female face 凹凸面型钢制管法兰用石棉橡胶垫片 |
| 7. | Asbestos rubber gaskets for steel pipe flanges with tongue and groove face 榫槽面型钢制管法兰用石棉橡胶垫片 |
| 8. | Standard specification for rubber gaskets for cast iron soil pipe and fittings 铸铁污水管和配件用橡胶垫圈的标准规范 |
| 9. | Standard specification for joints for concrete pipe and manholes , using rubber gaskets 使用橡胶垫圈的混凝土管和人孔用连接件的标准规范 |
| 10. | Standard specification for nonreinforced concrete irrigation pipe with rubber gasket joints 带橡胶垫圈接头的无钢筋混凝土灌溉水管的标准规范 |