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ISO 4551:1987 (R2015) Ferroalloys — Sampling and sieve analysis
ISO 4552-2:1987 (R2015) Ferroalloys — Sampling and sample preparation for chemical analysis — Part 2: Ferrotitanium, ferromolybdenum, ferrotungsten, ferroniobium, ferrovanadium
ISO 4552-2:1987 (R2015) Ferroalloys — Sampling and sample preparation for chemical analysis — Part 2: Ferrotitanium, ferromolybdenum, ferrotungsten, ferroniobium, ferrovanadium
ISO 4552-1:1987 (R2015) Ferroalloys — Sampling and sample preparation for chemical analysis — Part 1: Ferrochromium, ferrosilicochromium, ferrosilicon, ferrosilicomanganese, ferromanganese
ISO 3713:1987 (R2015) Ferroalloys — Sampling and preparation of samples — General rules
ISO 3713:1987 (R2015) Ferroalloys — Sampling and preparation of samples — General rules
ISO 7373:1987 (R2015) Ferroalloys — Experimental methods for checking the precision of sample division
ISO 7373:1987 (R2015) Ferroalloys — Experimental methods for checking the precision of sample division
ISO 7347:1987 (R2015) Ferroalloys — Experimental methods for checking the bias of sampling and sample preparation
ISO 7347:1987 (R2015) Ferroalloys — Experimental methods for checking the bias of sampling and sample preparation
ISO 8930:1987 General principles on reliability for structures -- List of equivalent terms
ISO 9194:1987 (R2019) Bases for design of structures — Actions due to the self-weight of structures, non-structural elements and stored materials — Density