国家/地区 中国（2）
IPC部 A（3）
IPC大类 A23（3）
IPC小类 A23L（3）
IPC
发明人
公开年 2021（3）
申请年 2020（3） 
专利权人

Filtering device for filtering fluid containing dissolved and optionally colloidal substances, and further impurities like bacteria and/or virus, comprises first filter unit serving to remove substances in first filtering step.

MAZZOCATO L

Preparing olive kernel extract useful for effectively removing oxygen free radicals in body, involves performing pretreatment and extraction using isopropanol-water mixed solution, as extractant.

ZHANG Y

High-voltage electric auxiliary photocatalytic purification module comprises photocatalyst, electrically insulating porous medium, ultraviolet lamp group, high-voltage power supply and pair of discharge electrodes.

SUN R, SUN S, GAO S, CHEN F, HAN R, CHENG J