国家/地区 中国（2）
IPC部 B（2） C（2）
IPC大类 B01（2） C01（2）
IPC小类 B01J（2）
IPC B01J006/00（2）
发明人
公开年 2020（2）
申请年 2019（2） 
专利权人

Vacuum heat treatment device useful for preparing single-layer graphene oxide, comprises a second transverse plate, where the middle position of the top left side of the second transverse plate is fixedly installed with supporting frame.

ZHANG G

Fusion liquefying device for preparing graphene, comprises first reaction kettle and second reaction kettle filled with rock wool, where upper surface of first reaction kettle is fixedly mounted with upper cover through bolt.

AI W, KONG L, YUAN H