在教室伦流澡到高潮hnp视频-日日狠狠久久8888偷偷色-国产av无码专区亚洲版综合-国产精品视频一区二区噜噜

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

 

主站蜘蛛池模板: 四川骚妇无套内射舔了更爽| 国産精品久久久久久久| 伊人色综合久久天天五月婷| 欧美高大丰满freesex| 无码国内精品人妻少妇| 中文字幕+乱码+中文字幕一区| 欧美性色欧美a在线图片| 国产情侣久久久久aⅴ免费| a级特黄的片子| 国产亚洲精品aaaa片app| 成人毛片18女人毛片免费| 羞羞午夜福利免费视频| 18禁网站在线永久免费观看| 国产午夜视频在线观看| 色135综合网| 国产亚洲色婷婷久久99精品| 亚洲av无码成h人在线观看| 新版天堂资源中文8在线| 久久午夜无码鲁丝片秋霞| 中文亚洲av片不卡在线观看| 激情综合亚洲| 88国产精品视频一区二区三区| 在线永久免费观看黄网站| 欧美性猛交xxxxx按摩欧美| 久久综合九色综合欧美婷婷| 熟妇高潮精品一区二区三区| 亚洲欧洲∨国产一区二区三区| 精品无码人妻一区二区三区| 刺激一区仑乱| 用舌头去添高潮无码视频| 久久久久亚洲精品无码网址色欲| 国产亚洲精品美女久久久| 亚洲色欲色欲大片www无码| 久久精品国产99国产精品| 亚洲爆乳精品无码一区二区| 久久天天躁狠狠躁夜夜不卡| 久久久久99精品成人片试看| 精品爆乳一区二区三区无码av | 国产亚洲精品美女久久久| 亚洲伊人色欲综合网| 激情人妻另类人妻伦|