Ships and marine technology - Loose flanges and welding necks extra light duty - Part 1: Loose flanges DN 32 to DN 50, PN up to 25, DN 65 to DN 125, PN up to 10
Ships and marine technology - Loose flanges and welding necks extra light duty - Part 1: Loose flanges DN 32 to DN 50, PN up to 25, DN 65 to DN 125, PN up to 10— 3 стр.