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
申请年 2021（2）
专利权人 WANG D（2）

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

WANG D

Medical heat preservation storage device for pharmacy care, has hasp lock respectively and fixedly connected with front end wall of upper cover.

WANG D