Vitrified clay pipes and fittings and pipe joints for drains and sewers - Part 2: Quality control and sampling (includes Amendment A1:1999); German version EN 295-2:1991 + A1:1999— 20 стр.
Vitrified clay pipes and fittings and pipe joints for drains and sewers - Part 3: Test methods (includes amendment A1:1998); German version EN 295-3:1991 + A1:1998— 20 стр.
Vitrified clay pipes and fittings and pipe joints for drains and sewers - Part 2: Quality control and sampling (includes Amendment A1:1999); German version EN 295-2:1991 + A1:1999— 20 стр.
Vitrified clay pipes and fittings and pipe joints for drains and sewers - Part 3: Test methods (includes amendment A1:1998); German version EN 295-3:1991 + A1:1998— 20 стр.
Tendering and performance stipulations in contracts for construction works (VOB); part C: general technical specifications in contracts for construction works (ATV); well sinking— 10 стр.