| No |
Name |
Contens |
Date
|
Data
|
| 1 |
Impeller for pump using composite structure material and manufacturing method therefor |
Impeller for pump using composite structure material and manufacturing method therefor |
2013.11.28 |
 |
| 2 |
Water gate valve and disk thereof |
Water gate valve and disk thereof |
2012.05.24 |
|
| 3 |
A sterilizing and purifying apparatus for vessel |
A sterilizing and purifying apparatus for vessel |
2007.12.11 |
|
| 4 |
Butterfly valve |
Butterfly valve |
2006.08.10 |
|
