国家/地区 中国（2）
IPC部 B（2）
IPC大类
IPC小类
IPC
发明人 LIN J（2）
公开年 2022（2）
申请年 2021（2） 
专利权人 LIN J（2）

Production device of graphite, has processing box whose inside is located below second filter screen and is slidingly connected with collecting box.

LIN J

Graphene film doping device, has doping box whose inner wall is slidingly connected with fixing rod, where outer wall of doping box is located below collecting box and is provided with nitrogen tank.

LIN J