国家/地区 中国（2）
IPC部 F（2）
IPC大类 F27（2）
IPC小类 F27B（2） F27D（2）
IPC F27D011/02（2）
发明人
公开年 2021（2）
申请年 2020（2） 
专利权人

Laboratory digestion reflux electric furnace, has graphene cover plate that covers surface of electric furnace main body, where graphene cover plate is fixedly connected or detachably connected with electric furnace main body.

ZHOU L, REN Y, LIU J

High temperature tubular furnace useful for preparing graphene, comprises a furnace body, a furnace cover and a furnace pipe, where the two side walls of the furnace body are provided with a square hole.

WANG C