国家/地区 中国（2）
IPC部
IPC大类
IPC小类
IPC
发明人 WANG D（2）
公开年 2022（2）
申请年
专利权人 WANG D（2）

Lift loose brake power supply device, has clamping plate whose lower part is provided with graphene heat absorbing plate, where graphene heat plate is installed on top end of bottom plate whose sides are fixedly connected with inner wall.

TANG S, WANG D, WANG B, SUN D

Preparing light-colored fluorescent asphalt comprises electroplating, oxidizing and calcining, processing graft polymerization, vacuum calcining, processing micro-oxidation treatment, mixing and storing.

WANG D