HG/T21530-2005带颈平焊法兰手孔

规范名称：HG/T21530-2005带颈平焊法兰手孔

规范格式：ZIP文章源自图集吧-https://www.tanluxing.com/19697.html

规范大小：41900KB（均为压缩后的文件大小，压缩格式为.zip）文章源自图集吧-https://www.tanluxing.com/19697.html

规范简介：文章源自图集吧-https://www.tanluxing.com/19697.html

HG/T21530-2005带颈平焊法兰手孔文章源自图集吧-https://www.tanluxing.com/19697.html

规范截图：文章源自图集吧-https://www.tanluxing.com/19697.html

文章源自图集吧-https://www.tanluxing.com/19697.html

规范截图：