国家/地区 中国（2）
IPC部 F（2）
IPC大类 F26（2）
IPC小类 F26B（2）
IPC F26B025/04（2）
发明人 WANG X（2）
公开年
申请年 2020（2） 
专利权人

Vacuum drying device useful for preparing graphene, comprises a bracket, a drying mechanism, a stirring mechanism, a cooling mechanism, a feeding and discharging mechanism, where the cooling mechanism is located above the bracket.

WANG X

Device for preparing graphene oxide powder, comprises drier box body, drying chamber, collecting groove and packing auger, where drying chamber is orderly provided with multiple trays from top to bottom, collecting groove is set at right lower end of drying chamber.

WANG X