国家/地区 中国（2）
IPC部
IPC大类
IPC小类
IPC
发明人 ZHOU Y（2）
公开年 2022（2）
申请年 2021（2）
专利权人 ZHOU Y（2）

Graphene-based energy-saving cold heater for use in household appliance, has cooling device main body installed on U-shaped frame, and shielding cloth matched with air inlet and air outlet of mounting cavity.

ZHOU Y

Anti-anaphylactic mask for preventing ear graphene material, has side wall of mask main portion and upper and lower two sides of auxiliary calling device are provided with elastic belt.

WANG J, ZHOU Y