国家/地区 中国（2）
IPC部 C（2）
IPC大类 C01（2）
IPC小类 C01B（2）
IPC C01B032/182（2）
发明人
公开年 2021（2）
申请年 2020（2） 
专利权人

Contact device useful for processing graphene-free graphene, comprises a shell main body, a cover body and a sliding block, where the upper surface of the shell main body is provided with a cover body.

HAN S

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