99久久国产热无码精品免费_欧洲女人性开放免费网站_国产乱色国产精品播放视频_综合久久给合久久狠狠狠97色_内射爽无广熟女亚洲

Patents

CISDI owns over 1,300 patents, in which, the patents for inventions account for nearly 40%; over 70% of the patents are applied, and 34 patent clusters are formed.

Awards for China-authorised patents to CISDI 

Serial No.

Year of Award

Name of Patent

Number of Patent

Prize of Patent

1

2016

A kind of blast furnace top distributor's compound hydraulic control system

ZL200910191551.x

excellence

2

2013

A kind of ultra-thick slab caster

201120494708.9

excellence

3

2013

Skin pass mill

200610054113.5

excellence

4

2012

A kind of vertical mill

200910104064.5

excellence

5

2011

A kind of BOF shell's hanger

200410022515.8

excellence

6

2009

Gas holder's seal device

2221732.0

excellence

7

1995

Triplex reducer (or increaser) drive

85106692.5

gold medal