Urban Rail Transit Engineering Co., Ltd. of China Railway First Group Co., Ltd.

Chine

 
Quantité totale PI 2
Rang # Quantité totale PI 733 844
Note d'activité PI 0,9/5.0    2
Rang # Activité PI 476 061

Brevets

Marques

0 0
0 0
2 0
0
 
Dernier brevet 2023 - Automatic fire extinguishing and...
Premier brevet 2020 - Method for reconstructing shield...

Derniers inventions, produits et services

2022 Invention Automatic fire extinguishing and shutdown system and method for large-scale device for foundation...
2020 Invention Method for reconstructing shield tunnel for mining construction. Disclosed is a method for recons...