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ISO 904:1976 Hydrochloric acid for industrial use — Determination of total acidity — Titrimetric method
ISO 4313:1976 Washing powders — Determination of total phosphorus(V) oxide content — Quinoline phosphomolybdate gravimetric method
ISO 1812:1976 Copper alloys — Determination of iron content — 1,10- Phenanthroline spectrophotometric method
ISO 1073-1:1976 Alphanumeric character sets for optical recognition — Part 1: Character set OCR-A — Shapes and dimensions of the printed image
ISO 657-5:1976 Hot-rolled steel sections — Part 5: Equal-leg angles and unequal-leg angles — Tolerances for metric and inch series
ISO 1554:1976 Wrought and cast copper alloys — Determination of copper content — Electrolytic method
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