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.
Specification and approval of welding procedures for metallic materials - Part 7: Approval by a standard welding procedure for arc welding; German version EN 288-7:1995— 5 стр.
Specification and approval of welding procedures for metallic materials - Part 8: Approval by a pre-production welding test; German version EN 288-8:1995— 4 стр.
Welding personnel - Approval testing of welding operators for fusion welding and resistance weld setters for fully mechanized and automatic welding of metallic materials; German version EN 1418:1997— 10 стр.
Concrete, reinforced and prestressed concrete structures - Part 4: Additional rules for the production and conformity control of prefabricated elements— 8 стр.
Prefabricated concrete manholes, unreinforced, steel fibre and reinforced for drains and sewers - Type 1 and Type 2 - Part 1: Requirements, test methods and evaluation of conformity— 39 стр.