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

Water purification device used to remove water contaminants e.g. arsenic, pathogen, and bacteria, comprises housing comprising base, side walls and top wall, and first, second, third and fourth layers.

JINDAL H, SANDHU I S, CHITKARA M, PANDA S N

Device for fermenting and purifying polyglutamic acid, comprises shell, where middle position of top end of shell is provided with inlet matched with shell, inner part of shell is provided with fermentation reaction device and functional frame.

HONG L