Shijiazhuang Keda Educational Equipment Co., Ltd.

Chine

 
Quantité totale PI 3
Rang # Quantité totale PI 503 007
Note d'activité PI 1,5/5.0    6
Rang # Activité PI 156 203

Brevets

Marques

1 0
0 0
2 0
0
 
Dernier brevet 2024 - Device and method for cleaning b...
Premier brevet 2022 - Blackboard eraser cleaning appar...

Derniers inventions, produits et services

2024 Invention Device and method for cleaning board erasers. Device and method for cleaning board erasers are pr...
2022 Invention Blackboard eraser cleaning device and blackboard having blackboard eraser cleaning function. A bl...
Invention Blackboard eraser cleaning apparatus and blackboard eraser cleaning method. A blackboard eraser c...