| 1. | Auxiliary ventilation for mining ; sheet airducts , with collars and loose flanges
矿井用辅助通风设备.带卡圈和活动法兰的钢制通风管 |
| 2. | Loose flanges and welding necks for pipes of copper - nickel - alloys - part 1 : assembly
铜镍合金管道的活套法兰和焊接凸肩.第1部分:组装 |
| 3. | Pipelines for mining ; steel tubes with loose flanges and plain collars ; nominal pressure 10
矿山管道.带活动法兰和平凸缘的钢管.标称压力10 |
| 4. | Pipelines for mining ; steel tubes with loose flanges and plain collars ; nominal pressure 40
矿山用管道.带活动法兰和平凸缘的钢管.标称压力40 |
| 5. | Loose flanges and welding necks for pipes of copper - nickel - alloys - part 3 : loose flanges
铜镍合金管道的活套法兰和焊接凸肩.第3部分:活套法兰 |
| 6. | Steel tubes for mining ; fittings with loose flanges and plain collars ; nominal pressure 10
矿山用钢管.带活套法兰和普通套环的配件.第1部分:公 |
| 7. | Steel tubes for mining ; fittings with loose flanges and plain collars ; nominal pressure 40
矿山用钢管.带活套法兰和普通套环的配件.第3部分:公 |
| 8. | Loose flanges and welding necks for pipes of copper - nickel - alloys - part 2 : welding necks
铜镍合金管道的活套法兰和焊接凸肩.第2部分:焊接凸肩 |
| 9. | Pipelines for mining ; steel tubes with loose flanges and collars ; projection and recess ; nominal pressure 6
矿山管道.带活动法兰和凸缘的钢管.标称压力6 |
| 10. | Aerospace series - pipe couplings , loose flanges and seals - flanges in titanium alloy ti - p64001
航空航天系列.管连接件松套法兰和密封件.钛合金ti - p64001法兰 |
