| 1. | Gems unwrought can do nothing useful . 玉不琢,不成器。 |
| 2. | Copper and copper alloys - cast unwrought copper products 铜及铜合金.未定形铜铸件产品 |
| 3. | Copper and copper alloys - wrought and unwrought forging stock 铜和铜合金.锻造和非锻造坯料 |
| 4. | En 1976 cast unwrought copper products . copper and copper alloys 铜和铜合金.未成形铸铜产品 |
| 5. | Copper and copper alloys - wrought and unwrought forging stock 铜和铜合金.已加工和未加工锻坯 |
| 6. | Copper and copper alloys - cast unwrought copper products ; german version en 1976 : 1998 铜和铜合金.铸铜产品 |
| 7. | Copper and copper alloys - wrought and unwrought forging stock ; german version en 12165 : 1998 铜和铜合金.可锻加工和不可锻加工的锻坏 |