Plastics - Polyethylene (PE) moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties (ISO 1872-2:1997); German version EN ISO 1872-2:1997— 8 стр.
Plastics - Polyethylene (PE) moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties (ISO 1872-2:1997); German version EN ISO 1872-2:1997— 8 стр.
Preinsulated bonded pipe systems for underground hot water networks - Pipe assembly of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene; German version EN 253:1994— 20 стр.
Small sewage treatment plants - Plants without aeration (septic tanks) - Part 101: Principles for factory production control and third party control— 6 стр.
Small sewage treatment plants - Plants without aeration (septic tanks) - Part 101: Principles for factory production control and third party control— 6 стр.