国家/地区 中国（4）
IPC部 B（4） H（4）
IPC大类 B08（4）
IPC小类 B08B（4）
IPC B08B001/00（3） H05B003/14（2） H05K007/20（2）
发明人 XU F（2）
公开年 2022（3）
申请年 2022（4）
专利权人

Audio/video recording instrument e.g. law enforcement audio/video recorder, has supporting spring whose top end is connected with sleeve, where bottom end of supporting spring is connected to bottom end mounting column.

LI Y

Graphene film electrothermal deicing device, has connecting block whose side is provided with inclined scraper, where side of inclined scraping plate is connected with butt scraping plate.

WEI S, ZHANG Y, YU P, MEN Z, XU F, LI B

Multifunctional mobile phone shell, has shell whose upper and lower surfaces are provided with charging groove, where one side of charging groove is connected with dustproof cap.

KANG Q, WAN Z

Automobile safety belt i.e. seat safety belt, for restraining passenger, has cushion whose outer wall is equipped with power interface, where power supply interface is electrically connected with graphene heating layer.

XU F