国家/地区 中国（4）
IPC部 F（4）
IPC大类 F25（4）
IPC小类 F28D（4）
IPC F25B021/02（2） F25D031/00（2） F28D020/00（2）
F28F013/12（2）
发明人
公开年 2021（4）
申请年 2020（3） 
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

Cooling device for processing graphene terylene fire-retardant fiber, has device main body whose front surface is connected with reflux pipe that is fixedly installed with throttle valve, where throttle valve is provided with valve.

YAN S, LI Z, LIU Y

Bidirectional cast iron gate, has door frame provided with first cast iron door and second cast iron door, and servo motor whose output shaft is connected with rotating shaft through coupler, where top of door frame is welded with mounting chamber.

DU Y