国家/地区
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC B01D039/10（3）
发明人
公开年 2021（2）
申请年 2020（3）
专利权人

Insect screen with fine dust blocking function, has connecting ring that is arranged between pair of meshes, and frame that is coupled to outside of meshes.

KIM J H

Demagnetizing and electromagnetic magnetic depolarizing information effect of electric and magnetic fields of air by presence of deployed metal grid inserted in air circulation by switching depolarized fields of structure in exchange on air.

JOSE B, PICCALUGA P, STEFFAN C

Manufacturing process for a low wind resistance filter screen based on graphene-modified activated carbon material involves selecting a graphene-modified activated carbon column of a predetermined size, Make a filter mesh substrate.

INVENTOR U