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

Cooling water system, has shell whose end is provided with liquid outlet pipe, where liquid outlet of liquid outlet pipe is installed with metal filter screen through bolt and inner surface layer of shell is provided with stain-resistant layer.

WAN L