Shan-Chi Chuang

Taïwan, Province de Chine

 
Quantité totale PI 2
Rang # Quantité totale PI 721 893
Note d'activité PI 0,9/5.0    2
Rang # Activité PI 467 807

Brevets

Marques

2 0
0 0
0 0
0
 
Dernier brevet 2022 - Hanging weight structure for a c...
Premier brevet 2019 - Tube connector

Derniers inventions, produits et services

2021 Invention Hanging weight structure for a curtain. A hanging weight structure for a curtain has a hanging we...
2019 Invention Tube connector. A tube connector has a connecting member and two tightening sleeves. The connecti...