DIN 2615 steel butt-welding pipe fittings tee with reduced pressure factor
DIN 2615 steel butt-welding pipe fittings tee with reduced pressure factor
If you want the complete contents of the standard,please send email to me.
DIN 2615 steel butt-welding pipe fittings tee with reduced pressure factor
If you want the complete contents of the standard,please send email to me.