国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2） C09（2）
IPC小类 B01D（2）
IPC C09D007/63（2）
发明人
公开年 2021（2）
申请年
专利权人

Honeycomb filter core useful for air purifier, has filter core body, frame, and cover plate, where cover plate is plugged into top of filter core body, filter core body is slidingly connected with inner wall of frame and inner wall of filter core body is slidably inserted with net-shaped clapboard.

JIN S

Prefabricated bricks with the function of adsorbing formaldehyde and continuously releasing negative ions comprises coarse corundum, fine corundum, alumina fine powder, alumina powder, cattail fiber, dextrin, anion powder.

LONG R