国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01D（2）
IPC B01J019/18（2）
发明人 CHEN X（2）
公开年
申请年 2020（2） 
专利权人

Filtering auxiliary device for preparing graphene oxide process, has box body whose left side is fixedly connected with feeding pipe, where front of box body is connected with control switch.

CHEN X, YIN Y, QIAN J

Reaction kettle for graphene production, has limiting block whose top is fixedly connected with threaded rod, where top of threaded rod passes through top of active carbon filter screen and sleeved with threaded sleeve.

LIU J, CHEN J, WU D, LIU Z, CHEN X, CHEN Z