国家/地区 中国（2）
IPC部 F（2）
IPC大类 F25（2）
IPC小类 F25D（2）
IPC F25D021/08（2）
发明人
公开年 2022（2）
申请年
专利权人

Graphene heating and defrosting based direct-cooling horizontal freezing display cabinet for use in supermarket, has graphene heating film arranged on outer periphery of inner tank and connected with controller through connecting wire.

WANG H, SU G, YANG J, LIU W, XU L, JIANG Y, LIU L, LU X, DING W

Refrigerator door rotating beam heating device, has heating component whose side is fixedly installed on surface of base material, where arrangement mode of heating component adopts upper sparse and lower dense type.

GAO D, CAO F