Ships and marine technology - Flanges on castings extra light duty - DN 32 to DN 50, PN up to 25, DN 65 to DN 125, PN up to 10 - Principles of design— 3 стр.
Cross recessed countersunk flat head screws (common head style) - Product grade A - Part 2: Steel of property class 8.8; stainless steel and non-ferrous metals (ISO 7046-2:1990); German version EN ISO 7046-2:1994— 8 стр.