国家/地区 中国（3）
IPC部 C（3）
IPC大类 C01（3）
IPC小类 C01B（3）
IPC F26B011/18（3）
发明人
公开年 2021（2）
申请年 2021（2） 
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

Electroplating piece uniform drying device comprises e.g. drying device main body inner cavity separated by insulating interlayer to form heating and constant temperature cavity inner wall provided with heat preservation lining material.

LAI G, QIN Y, WEI K

Graphene production processing device comprises drying box, where bottom end of inner cavity of drying box is provided with first sliding groove along left and right direction, and left and right sides of top end of inner cavity of drying box are set.

UNANNOUNCED I