| year |
Specific time |
Name of the certificate |
|
|
2001-6-20 |
Aluminum and aluminium alloy melt composite purification device ZL00127938.6 |
|
|
2001-6-27 |
Composite purification method of aluminum and its alloy melt ZL00127937.8 |
|
|
2001-1-17 |
Rare earth flux for aluminum and aluminium alloy ZL00116611.5 |
|
|
|
|
|
|
2012-10-31 |
High strength and high conductivity aluminum alloy conductor and its preparation method ZL201210189763.6 |
|
|
2010-6-23 |
Purification of high-purity aluminum based on segregation method ZL201010300874.0 |
|
|
2010-6-23 |
High purity aluminum vacuum purification equipment ZL201010300272.5 |
|
|
|
|
|
|
2010-7-21 |
Slot type online degassing device ZL201010136554.6 |
|
|
2005-4-13 |
Preparation method of Al-Ti-B grain refiner ZL200410084303.2 |
|
|
2006-2-1 |
Multistage electromagnetic cleaning method for metal liquid ZL200510028221.0 |
|
|
2005-11-9 |
Method for purifying molten aluminum alloy ZL200510026593.X |
|
|
2005-1-5 |
Rotary nozzle for degassing of molten aluminum ZL200410016858.3 |
|
|
2004-2-4 |
Movable positioning device for degassing of aluminium melt rotating jet apparatus ZL03129392.1 |