Sign In | Join Free | My howtoaddlikebutton.com |
|
FLANGE GOST 33259 WN,SO,BLIND ГОСТ 12820 ГОСТ 12821 PN6 PN10 PN16 PN25 PN40,Carbon steel and stainless steel STANDARD Type Pressure Material size Process Surface treatment GOST33259 GOST12820 ...