Choi, Ick Jun

Canada

 
Quantité totale PI 2
Rang # Quantité totale PI 722 872
Note d'activité PI 1,1/5.0    3
Rang # Activité PI 340 504

Brevets

Marques

1 0
1 0
0 0
0
 
Dernier brevet 2021 - Wire saw excavation apparatus ca...
Premier brevet 2020 - Wire-saw excavation apparatus an...

Derniers inventions, produits et services

2021 Invention Wire saw excavation apparatus capable of changing cutting line in accordance with cutting section...
2020 Invention Wire-saw excavation apparatus and tunnel excavation method using the same. A wire-saw excavation ...