国家/地区 中国（2）
IPC部 F（2）
IPC大类 F25（2）
IPC小类 F25D（2）
IPC
发明人
公开年 2019（2）
申请年 2019（2） 
专利权人

Baffle plate heating device used for refrigerator comprises base film, heating body, insulating layer, graphene layer, conductive line layer, and power supply device.

GENG D

Quick freezing and defrosting tray in cooling and thawing foods comprises a heat pipe for heat conduction installed in the outer casing filled with a coolant filled and layer of graphene nanocomposite provided at the top of outer casing.

TAO X, WAN X