国家/地区 中国（2）
IPC部 F（2）
IPC大类 F25（2） F28（2）
IPC小类 F25D（2）
IPC F25D031/00（2）
发明人
公开年 2021（2）
申请年
专利权人

Portable cooling device e.g. central air conditioner, has canvas fixing bag whose top is provided with mounting groove, where inner part of mounting groove is fixedly connected to mounting groove of graphene.

ZHOU J, TANG F, MIAO Z, ZHANG S, KANG Y

Cooling device for processing graphene, has exhaust fan whose input end is fixedly connected with Y-shaped pipe, where two output ends of Y-shaped pipe are connected with back of heat collecting box and front of box body is connected with control switch.

LI C