国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01D（2）
IPC B01D046/10（2）
发明人
公开年 2022（2）
申请年
专利权人

Electric fire monitoring device for fire fighting internet of things, has camera base whose left and right ends are opened with ventilation hole, and fan installed between inner walls of ventilation holes.

CUI K, DU M, WANG Z

Drawing information collecting and identifying device, has scanning mechanism whose lower end is provided with graphene plate, where lower surface of graphene plate is formed with radiating bulge.

XU J, FANG F, CHEN Q