国家/地区 中国（2）
IPC部 B（2） H（2）
IPC大类 B01（2）
IPC小类 B01D（2）
IPC B01D046/00（2）
发明人
公开年
申请年 2020（2）
专利权人

Modularized high-power high-frequency switch power supply structure, has supporting rod whose bottom end is fixedly connected with top part of top cover, and U-shaped pipe whose end is located at left side of left side dustproof net.

LIN Y, OU Y, LING J

Electronic stop sign uses graphene for heat dissipation, comprises top of base is fixedly connected with stop sign body, where front surface of stop sign body is embedded with display screen body, and horn embeddes in top of front surface.

WANG X