国家/地区 中国（3）
IPC部 C（3）
IPC大类 C01（3）
IPC小类 C01B（3）
IPC C01B032/194（3）
发明人 YU R（2）
公开年 2022（2）
申请年 2022（2） 
专利权人 YU R（2）

Pre-processing clamp graphene coiled material comprises inner reel, and upper shell and lower shell sleeved on outer side of inner reel.

WANG S, LI H, HU Y, ZHANG H

Dust environment-friendly drying method for extracting graphene, involves crushing two-dimensional crystal with ink material by crusher, and putting cleaned solution into tubular centrifuge to separate residual graphite oxide powder.

YU R

Dust environment-friendly drying technique useful for extracting graphene in material learning, involves crushing two-dimensional crystal with ink material by crusher, and collecting particles after crushing, and using sulfuric acid, nitric acid chemical reagent and potassium permanganate.

YU R