国家/地区 中国（2）
IPC部 B（2）
IPC大类 B65（2）
IPC小类 B65G（2）
IPC
发明人
公开年 2020（2）
申请年 2019（2） 
专利权人

High content graphene preparing device, has first material collecting cylinder whose top part is provided with fixing cover plate, and cooling box whose bottom part is fixedly connected with hydraulic rod, where end of rod is connected with cylinder.

FANG L

Discharging structure for graphene production, has connecting pipe whose upper end face is fixedly connected with guide rod that passes through rotating ring, where rotating ring is sleeved on discharging pipe.

ZHU J, MA Q