Machines for underground mines - Safety requirements for hydraulic powered roof supports - Part 1: Support units and general requirements; German version EN 1804-1:2001— 39 стр.
Specification and approval of welding procedures for metallic materials - Part 1: General rules for fusion welding (including Amendment A1:1997); German version EN 288-1:1992 + A1:1997— 9 стр.
Specification and approval of welding procedures for metallic materials - Part 2: Welding procedure specification for arc welding (includes Amendment A1:1997); German version EN 288-2:1992 + A1:1997— 7 стр.
Specification and approval of welding procedures for metallic materials - Part 3: Welding procedure tests for the arc welding of steel (includes Amendment A1:1997); German version EN 288-3:1992 + A1:1997— 27 стр.
Safety of machinery - Basic concepts, general principles for design - Part 2: Technical principles and specifications; German version EN 292-2:1991 + A1:1995— 47 стр.
Machines for underground mines - Safety requirements for hydraulic powered roof supports - Part 2: Power set legs and rams; German version EN 1804-2:2001— 33 стр.
Hot rolled products of structural steels - Part 4: Technical delivery conditions for thermomechanical rolled weldable fine grain structural steels; German version EN 10025-4:2004— 25 стр.
Machines for underground mines - Safety requirements for hydraulic powered roof supports - Part 1: Support units and general requirements; German version EN 1804-1:2001— 34 стр.
Machines for underground mines - Safety requirements for hydraulic powered roof supports - Part 1: Support units and general requirements; German version EN 1804-1:2001— 34 стр.
