Language : English
黄仁东

Patents

一种卷材防水结构及其卷材

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Type of Patent:Invent

State of Patent:Authorized patents

Authorization number:201620592167.6

Number of Inventors:7

Service Invention or Not:no

Application Date:2016-06-17

Authorization Date:2018-04-17

Application Date:2016-06-17

Authorization Date:2018-04-17