Hainan Xingye Investment Co., Ltd.

Chine

 
Quantité totale PI 4
Rang # Quantité totale PI 385 127
Note d'activité PI 1,6/5.0    7
Rang # Activité PI 135 799

Brevets

Marques

2 0
1 0
1 0
0
 
Dernier brevet 2025 - Two-color pen
Premier brevet 2023 - Two-color pen

Derniers inventions, produits et services

2023 Invention Two-color pen. A two-color pen includes a pen body, a roller and water supply components; the rol...
Invention Pen
Invention Two-color pen
Invention Double-color pen. A double-color pen, comprising a pen body (1), a rolling body (2) rollably prov...