国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC
发明人 WANG H（3）
公开年 2022（3）
申请年 2021（2） 
专利权人

Composite film useful in separating and selecting magnesium and lithium in high-magnesium-lithium ratio salt lake brine, comprises ultrafiltration support layer and modified polyamide layer.

LI Z, WANG H, PENG Z, ZHAO Y, LI Y, WANG M

Antistatic plastic container structure prepared by modified polyethylene graphene comprises preparing box, fixing plate fixedly connected to two sides of inner wall of preparation box, and suction pump set on top of filter piece.

WANG H

Graphene lubricating oil grading filter device includes base plate, where base plate is provided with support mechanism, support mechanism is provided with coarse filter mechanism for performing first coarse sieve of graphene and fine filtering mechanism for performing second fine sieve of graphene.

ZHANG Z, WANG H