2014
|
Invention
|
Method for connecting plastic pipes and structure for connecting the same. Disclosed herein is a ... |
2013
|
Invention
|
Apparatus of controlling electric power for electric fusion pipe fitting using conductive polymer... |
|
Invention
|
Apparatus for controlling power of electrically fused connection pipe for synthetic resin pipe us... |
2012
|
Invention
|
Method and bioreactor for the cultivation of microorganisms. A method for the cultivation of micr... |
|
Invention
|
Method and bioreactor for the cultivation of microorganisms. The invention relates to a method fo... |
2007
|
Invention
|
Electric fusion piping materials with screw pressing device. An electric fusion pipe coupling is ... |