国家/地区 中国（2）
IPC部 B（2）
IPC大类 B07（2） F26（2）
IPC小类 B07B（2）
IPC B07B001/52（2）
发明人
公开年
申请年 2021（2） 
专利权人

Graphene anti-alkali primer raw material filtering device, has hot air device and auxiliary filter device that are set on upper side of filter plate, where top part of filter shell is provided with feeding port.

YUAN C, MA D, WEI S, YUAN X, JIANG C

Powder drying and collecting device for preparing graphene, comprises box body, where two side surfaces of bottom of box body are provided with sliding groove, and sliding groove is slidingly connected with sliding block.

WANG P