Language : English
黄仁东

Patents

一种用于挡土的预制构件及其挡土墙

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Type of Patent:Utility models

State of Patent:Authorized patents

Authorization number:ZL201721519025.8

Number of Inventors:4

Service Invention or Not:no

Application Date:2017-07-18

Authorization Date:2018-06-08

Application Date:2017-07-18

Authorization Date:2018-06-08