Laippastandardi: kansallinen standardi GB/T9115-2000, Department of Machinery STANDARD JB82-94, Department of Chemical Industry standardi HG20595-97HG20617-97, Department of Electric Power Standard GD0508 ~ 0509, amerikkalainen standardi ASME/ANSI B16.5, japanilainen standardi JIS/KS (5K, 10K, 16K, 20K), saksalainen standardi...
Lue lisää