逆止阀连接部位密封性能模型试验装置

Release time:2019-04-15|Hits:

Affilication of Author(s):土建与水利学院

Patent Applicant:wangxingju

Type of Patent:实用新型

Application Number:201320107145.2

Number of Inventors:1

Service Invention or Not:no

Application Date:2013-03-08

Publication Date:2013-08-28

Authorization Date:2013-08-28