Hebei hengtuo mechanical equipment Co., Ltd contrôle de la qualité

Norme:patent for invention

Nombre:ZL202010092929.7

Prescription Date:2021-07-16

Date d'expiration:2041-07-16

Portée / Range:Technology certification

Délivré par:China National Intellectural Property Administration

Norme:patent for invention

Nombre:ZL202010092928.2

Prescription Date:2021-07-16

Date d'expiration:2041-07-16

Portée / Range:Technology certification

Délivré par:China National Intellectural Property Administration

Norme:patent for utility models

Nombre:ZL201922380284.2

Prescription Date:2020-10-27

Date d'expiration:2040-10-27

Portée / Range:Technology certification

Délivré par:China National Intellectural Property Administration

Norme:patent for utility models

Nombre:ZL201922380307.x

Prescription Date:2020-10-16

Date d'expiration:2040-10-16

Portée / Range:Technology certification

Délivré par:China National Intellectural Property Administration

Norme:patent for utility models

Nombre:ZL201922382929.6

Prescription Date:2020-10-16

Date d'expiration:2040-10-16

Portée / Range:Technology certification

Délivré par:China National Intellectural Property Administration

Norme:patent for utility models

Nombre:ZL201922380309.9

Prescription Date:2020-09-08

Date d'expiration:2040-09-08

Portée / Range:Technology certification

Délivré par:China National Intellectural Property Administration