国家/地区 中国（2）
IPC部 F（2）
IPC大类 F25（2）
IPC小类 F25D（2）
IPC F25D011/00（2）
发明人
公开年
申请年 2019（2）
专利权人

Graphene storage device comprises a first storage box and a second storage box, where the bottom part of the first storage box is connected with the box opening of the second storage box by a screw thread.

LI J

Quick freezing and defrosting tray in cooling and thawing foods comprises a heat pipe for heat conduction installed in the outer casing filled with a coolant filled and layer of graphene nanocomposite provided at the top of outer casing.

TAO X, WAN X