国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01D（2）
IPC
发明人
公开年 2019（2）
申请年 2019（2） 
专利权人

Graphene air filtering device, has symmetrical guide plate connected at central guide plate, protective shell whose inner cavity is connected with primary filter layer, where outer wall of protection shell is provided with passageway.

SHEN Z, YU L, DOU F, DING Y, TANG T

Graphene slurry conveying device, has Y-shaped pipe provided with left supporting pipe, right branch pipe and dry pipe, sweeping mechanism connected with main pipe by blowing pipeline, and blowing pipe connected with main pipe that is provided with stop valve.

LIU J, LIU S