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 2022（2）
申请年 2022（2）
专利权人

Air electrode used in refrigerator, has main portion that is provided with catalyst layer, where catalytic active component in catalyst layer is formed of silicon powder.

JIA L, REN X, WANG S, HUANG Y

Cooling device for producing graphene nano carbon black, has round rod whose bottom end that is located at bottom of hollow column is fixedly connected with rotating disc.

LI X, WEI L, ZHANG W, LI C, QIN L