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

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

Graphene cross flow air cooler useful in reverse flow type cooling tower, has multiple groups of graphene modified heat exchange layers fixedly connected between two groups of graphene modified poly vinyl chloride heat exchange plates.

DING H, WANG J, LIU H, WANG Y