国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC B01D036/02（3）
发明人
公开年 2022（3）
申请年 2021（3）
专利权人

Graphene lubricating oil grading filter device includes base plate, where base plate is provided with support mechanism, support mechanism is provided with coarse filter mechanism for performing first coarse sieve of graphene and fine filtering mechanism for performing second fine sieve of graphene.

ZHANG Z, WANG H

Processing device for atmospheric pollution comprises atmosphere processing device main body, air pipe, spraying head, fan, water pipe, medicine adding barrel and circulating water tank.

TAO T

Pressurizing homogenizer for use in production process of graphene, has filter box whose outer wall is provided with drain pipe, where outer wall of end of drain pipe is sleeved with filter cover, and inner wall of filter cover is provided.

ZHU H, JI J