国家/地区 中国（3）
IPC部 B（3）
IPC大类 B08（3）
IPC小类 B08B（3）
IPC B08B003/02（3）
发明人
公开年 2021（2）
申请年 2020（2） 
专利权人

Film roll-to-roll production method, involves using impact airflow to remove polyethylene terephthalate and copper foil, water on surface of second polyethylene terephthalate, and guiding first polyethylene terephthalate and copper foil.

LI G, ZHENG J, LIU H, YANG L, WANG W, LIN G

Laboratory device useful for preparing graphene from tar residue comprises box body fixed on screen frame, liquid pump set in washing tank, and cushion frame integrated centrifugal separation and drying machine set with inlet of ball mill.

WANG X, WU B, LI X, ZHU W, XU W, XU X, WANG Z, ZHANG Z, LIAN B

Cleaning device for graphene oxide, has liquid inlet pipe whose bottom end is connected with upper surface of first conduit, where lower surface of second conduit is connected with top end of multiple nozzles.

YUAN C, DU J