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[PDF] ISO 1264:1980 gratis

Fecha de publicación: 01/11/1980 Plastics — Homopolymer and copolymer resins of vinyl chloride — Determination of pH of aqueous extract ISO 1264:1980

[PDF] ISO 6586:1980 gratis

Fecha de publicación: 01/11/1980 Data processing — Implementation of the ISO 7- bit and 8- bit coded character sets on punched cards ISO 6586:1980

[PDF] ISO 6376:1980 gratis

Fecha de publicación: 01/11/1980 Carbonaceous materials for the production of aluminium — Pitch for electrodes — Determination of content of toluene-insoluble material ISO 6376:1980

[PDF] ISO 6228:1980 gratis

Fecha de publicación: 01/11/1980 Chemical products for industrial use — General method for determination of traces of sulphur compounds, as sulphate, by reduction and titrimetry ISO 6228:1980

[PDF] ISO 5196-1:1980 gratis

Fecha de publicación: 01/11/1980 Magnesium alloys — Determination of thorium — Part 1: Gravimetric method ISO 5196-1:1980

[PDF] ISO 4221:1980 gratis

Fecha de publicación: 01/11/1980 Air quality — Determination of mass concentration of sulphur dioxide in ambient air — Thorin spectrophotometric method ISO 4221:1980

[PDF] ISO 5453:1980 gratis

Fecha de publicación: 01/12/1980 Ferroniobium — Specification and conditions of delivery ISO 5453:1980

[PDF] ISO 5450:1980 gratis

Fecha de publicación: 01/12/1980 Ferrotungsten — Specification and conditions of delivery ISO 5450:1980

[PDF] ISO 5449:1980 gratis

Fecha de publicación: 01/12/1980 Ferrosilicochromium — Specification and conditions of delivery ISO 5449:1980