国家/地区 中国（3）
IPC部 F（3）
IPC大类 F24（3）
IPC小类 F24D（2）
IPC F24D013/02（2） F24D019/06（2） F24D019/10（2）
发明人 ZHANG L（3）
公开年 2022（2）
申请年 2021（3）
专利权人

Graphene electric heater has controller that receives signal of temperature detector and external sense monitor and connects cloud server and client end.

LIU Q, SHAO Y, ZHANG L

Heating foot multifunction, has heat preservation sleeve placed in shell, and heating shoe device located at lower bottom of heat preservation separating sleeve, where number of heating component is pair.

WU W, ZHANG T, ZHANG L

Cold storage material useful in preparing cold storage liquid for cold storage refrigeration device comprises e.g. carbon composite paraffin wax ice crystal nucleating microsphere composed e.g. paraffin and carbon material.

ZHANG L, DENG C