| 1. | Aluminium and aluminium alloy butt - welding pipe fittings
铝及铝合金对焊接管接头 |
| 2. | Pe - x crosslinked polyethylene pipe fittings for water supply
给水用交联聚乙烯管 |
| 3. | Standard symbols for dimensions of plastic pipe fittings
塑料管配件尺寸用标准符号 |
| 4. | Unplasticized poly vinyl chloride pipe fittings for drain
排水用未增塑聚氯乙烯管配件 |
| 5. | Sg foundry maanshan : pipes fittings and accessories
圣戈班马鞍山铸造：管件 |
| 6. | Steel butt - welding pipe fittings for ordinary use
一般用途的钢制对焊管配件 |
| 7. | Pipe fittings with double taper sleeves . coupling dimensions
双锥套管道接头.连接尺寸 |
| 8. | Fabricated steel water pipe fittings , dimensions for
预制给水钢管配件尺寸 |
| 9. | Symbols for dimensions of plastic pipe fittings
塑料管配件的尺寸表示符号 |
| 10. | Graphical symbols for pipe fittings , valves and piping
管道配件,阀门,管道配置用图形符号 |
