国家/地区 中国（2）
IPC部 F（2）
IPC大类 F28（2）
IPC小类 F28D（2）
IPC F28D007/10（2）
发明人
公开年
申请年 2021（2） 
专利权人

Soil source heat pump efficient heat exchange device, has inner pipe whose outer surface is provided with graphene heat conducting film, where first heat exchange area is formed between inner pipe and outer pipe.

LIN X, WANG K, WU J, ZHU B, GONG Y, LUO S, YUN L, FENG R

Graphene corrugated pipe waste heat oil smoke filtering device for recycling device, has lower portion that is provided with waste gas inlet pipe whose lower end is connected with oil smoke filter.

JIANG Z, PAN D, LIU H