国家/地区 中国（2）
IPC部 F（2）
IPC大类 F25（2）
IPC小类 F25B（2）
IPC F25B047/00（2）
发明人
公开年 2021（2）
申请年 2020（2） 
专利权人

Cold-resistant air conditioner for low-temperature environment, has graphene filter cloth whose side close to filter plate is provided with groove, where two sides of graphene filter cloth close to filter plate is provided with elastic sheet.

CHEN C, ZHANG X

Defrosting device for evaporator of refrigerator, has multiple film heaters wound on refrigerant pipeline, and controller controls the film heaters, where each film heater is connected in series with total current detection device.

FU D, XIN H, LIU X