一种路面透水砖渗透系数测试仪

Release time:2019-04-15|Hits:

Affilication of Author(s):土建与水利学院

Patent Applicant:ZHANG Jiong

Type of Patent:实用新型

Application Number:201721815331.6

Number of Inventors:1

Service Invention or Not:no

Application Date:2017-12-22

Publication Date:2018-07-06

Authorization Date:2018-07-06