Cheng Yanhai

Click:

The Last Update Time:..

Current position: Home > Scientific Research > Patents

Patents

一种人孔盖正负压性能测试试验台及方法
Release time:2020-10-30  Hits:

Disigner of the Invention:杨明,崔然,曹帅,周建云,潘家保,郑彤
Type of Patent:国内
State of Patent:专利授权
Application Number:201510903725.6
Number of Inventors:7
Service Invention or Not:no
Application Date:2015-12-09
Authorization Date:2018-02-02
First Author:Cheng Yanhai