Beijing Qijiayiju Technololgy Co., Ltd.

Chine

 
Quantité totale PI 3
Rang # Quantité totale PI 502 805
Note d'activité PI 0/5.0    0
Rang # Activité PI 1 661 163

Brevets

Marques

0 0
0 0
3 0
0
 
Dernier brevet 2017 - Air valve capable of monitoring ...
Premier brevet 2016 - Air valve capable of monitoring ...

Derniers inventions, produits et services

2016 Invention Air valve capable of monitoring operating state. Disclosed is an air valve capable of monitoring ...
Invention Energy saving housetop. An energy saving housetop comprises at least one housetop unit. The house...
Invention Device for monitoring states of door and window. Provided is a device for monitoring states of a ...