国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC B01D053/04（3）
发明人
公开年 2021（3）
申请年 2020（3）
专利权人

Graphene lubricating oil production preparation device comprises bracket, where one side of bracket is provided with connecting rod, where adjacent side wall of bracket and connecting rod is welded with connecting seat.

CHEN J

Filtering device using graphene ultra-filtration membrane, has worm, whose end is located at outer side of fixing block provided with rotating rod, and box body, whose outer side is located below handle fixed with supporting frame.

LIAO N, ZHANG X

Automatic graphene organic fertilizer production device, has rotating shaft whose top part is rotatably connected with motor, where outer wall of rotating shaft is fixedly connected with connecting rods and outer wall of shaft is connected with packing auger.

HOU J, CHEN P, SHI S, ZHANG M