Patents

一种太阳能供电的门铃

Release time:2024-08-09
Hits:
Affilication of Author(s):
土木工程学院
Scope of patent:
国内
Disigner of the Invention:
吕瑞,王俣豪,郭晓琳
Type of Patent:
Utility models
State of Patent:
专利申请
Service Invention or Not:
yes
Application Date:
2020-03-30
First Author:
zhangxicheng