Contract procedures for building works - Part C: General technical specifications for building works; General rules for all kinds of building works— 12 стр.
Paints and varnishes - Corrosion protection of steel structures by protective paint systems - Part 4: Types of surface and surface preparation (ISO 12944-4:1998); German version EN ISO 12944-4:1998— 30 стр.
German construction contract procedures - Part C: General technical specifications for building works - General rules for all kinds of building works— 15 стр.