国家/地区
IPC部 F（2）
IPC大类 F25（2）
IPC小类 F25B（2）
IPC
发明人
公开年 2021（2）
申请年 2021（2）
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

System for cooling concrete roof, has coolant liquid that is provided inside hollow elongated portion, and storing unit that circulates coolant to condensing unit is configured to condense gaseous coolant liquid.

TRIJO T, LAZARUS G A