Textiles; woven fabrics; construction; methods of analysis; part 2: determination of number of threads per unit length (ISO 7211-2:1984, modified); German version EN 1049-2:1993— 7 стр.
Textiles; woven fabrics; construction; methods of analysis; part 2: determination of number of threads per unit length (ISO 7211-2:1984, modified); German version EN 1049-2:1993— 7 стр.
Measurement of noise emitted by machines; airborne noise emission; enveloping surface method and special reverberation room method; household and similar electrical appliances; particular requirements for washing machines and spin extractors (IEC 60704-2-4:1989); german version HD 423.2.4 S1:1989— 9 стр.