国家/地区 中国（2）
IPC部 B（2）
IPC大类 B65（2） F25（2）
IPC小类 B65D（2）
IPC B65D081/18（2）
发明人
公开年 2021（2）
申请年
专利权人

Sampling system based on food detection, has sampling box whose inner part is provided with contact radiating mechanism, and return heat-conducting pipe whose inner side of surface is contact with front and back of graphene heat-conducting plate.

LIU J, WANG H

Semiconductor refrigeration sheet for heat preservation cosmetic box, has cold end substrate and hot end substrate provided with heat insulating plate, and P-type semiconductor and N-type semiconductor provided with graphene layer.

CHEN G