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[PDF] ISO 6989:1981 gratis

Fecha de publicación: 01/05/1981 Textile fibres — Determination of length and length distribution of staple fibres (by measurement of single fibres) ISO 6989:1981

[PDF] ISO 6129:1981 gratis

Fecha de publicación: 01/05/1981 Chromium ores — Determination of hygroscopic moisture content in analytical samples — Gravimetric method ISO 6129:1981

[PDF] ISO 5890:1981 gratis

Fecha de publicación: 01/05/1981 Manganese ores and concentrates — Determination of silicon content — Gravimetric method ISO 5890:1981

[PDF] ISO 5314:1981 gratis

Fecha de publicación: 01/05/1981 Fertilizers — Determination of ammoniacal nitrogen content — Titrimetric method after distillation ISO 5314:1981

[PDF] ISO 4543:1981 gratis

Fecha de publicación: 01/05/1981 Metallic and other non-organic coatings — General rules for corrosion tests applicable for storage conditions ISO 4543:1981

[PDF] ISO 4912:1981 gratis

Fecha de publicación: 01/06/1981 Textiles — Cotton fibres — Evaluation of maturity — Microscopic method ISO 4912:1981

[PDF] ISO 673:1981 gratis

Fecha de publicación: 01/06/1981 Soaps — Determination of content of ethanol-insoluble matter ISO 673:1981

[PDF] ISO/TR 7468:1981 gratis

Fecha de publicación: 01/06/1981 Summary of average stress rupture properties of wrought steels for boilers and pressure vessels ISO/TR 7468:1981

[PDF] ISO/TR 7242:1981 gratis

Fecha de publicación: 01/06/1981 Chemical analysis of light metals and their alloys — Statistical interpretation of inter-laboratory trials ISO/TR 7242:1981

[PDF] ISO 6541:1981 gratis

Fecha de publicación: 01/06/1981 Agricultural food products — Determination of crude fibre content — Modified Scharrer method ISO 6541:1981