国家/地区 中国（2）
IPC部 F（2）
IPC大类 F25（2）
IPC小类 F25B（2）
IPC F25B041/40（2）
发明人
公开年 2021（2）
申请年 2020（2） 
专利权人

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

Graphene preparation device comprises bracket, tank body, first pipeline and second pipeline, where bracket is fixedly set on ground, tank body is fixedly connected to bracket, inner part of tank body is formed with containing cavity.

WANG J