Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCB's). Part 1: General rules.— 211 стр.
Plastics. Styrene/acrylonitrile (SAN) copolymer moulding and extrusion materials. Preparation of test specimens and determination of properties— 16 стр.
Plastics - Polystyrene (PS) moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties (ISO 1622-2:1995); German version EN ISO 1622-2:1999— 9 стр.