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ISO
ISO 8291:1986
En Vigor
1986-08-28
Vitreous and porcelain enamels — Method of test of self-cleaning properties
ISO
ISO 4694:1987
En Vigor
1987-04-09
Iron ores — Determination of fluorine content — Ion-selective electrode method
ISO
ISO 9035:1989
En Vigor
1989-08-17
Iron ores — Determination of acid-soluble iron(II) content — Titrimetric method
ISO
ISO 9205:1988
En Vigor
1988-12-15
Refractory bricks for use in rotary kilns — Hot-face identification marking
