国家/地区 中国（2）
IPC部 C（2）
IPC大类 F25（2）
IPC小类 F25D（2）
IPC
发明人
公开年 2021（2）
申请年 2021（2）
专利权人

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

Radiating device for medical molecular sieve oxygen generator, has cooling water whose side surface is provided with ventilation groove, where inner wall of ventilation groove is welded with guide blade extending inwards.

HE G, XIE L, LIU B