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ISO 2047:1975 Information processing — Graphical representations for the control characters of the 7- bit coded character set
ISO 2916:1975 Wool — Determination of alkali content
ISO 3426:1975 Sulphur for industrial use — Determination of loss in mass at 80 degrees C
ISO 3332:1975 Ammonium sulphate for industrial use — Determination of ammoniacal nitrogen content — Titrimetric method after distillation
ISO 696:1975 Surface active agents — Measurement of foaming power — Modified Ross-Miles method
ISO 714:1975 Zinc — Determination of iron content — Photometric method
ISO 3220:1975 Copper and copper alloys — Determination of arsenic — Photometric method
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