2023
|
Invention
|
Method for installing refrigerant insulating structure, and multilayer pipe for refrigerant. The ... |
2017
|
Invention
|
Concrete manufacturing method using nitrogen dissolved water and method for manufacturing reinfor... |
2016
|
Invention
|
System and method for producing block ice treated with nitrogen substitution.
A system for produ... |
2013
|
Invention
|
Method for processing radioactively-contaminated water. The present invention provides an efficie... |
|
Invention
|
Solution utilizing nitrogen contained water for preserving or flushing organs for transplantation... |