一种消防阀门、消防喷头及消防系统

Release time:2021-05-27|Hits:

Affilication of Author(s):机械工程学院

Type of Patent:发明

Application Number:202010339349.3

Number of Inventors:3

Service Invention or Not:no

Application Date:2020-04-26

Publication Date:2021-05-11

Authorization Date:2021-05-11