国家/地区 中国（2）
IPC部 F（2）
IPC大类 F25（2）
IPC小类 F25D（2）
IPC F26B025/04（2）
发明人
公开年
申请年
专利权人

Device for preparing graphene nano material, has telescopic sleeve whose top end is connected with cooling box, where inner part of telescopic sleeves is provided with damping spring, and number of damping springs is in specific range.

GONG B, GONG R

Drying device for processing graphene, has connecting rod whose outer end is provided with scraping plate that is arranged on left and right sides of agitating blade, and scraping plate arranged on inner side of drying cylinder.

YANG J