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ISO 5993:1979 (R2018) Sodium hydroxide for industrial use — Determination of mercury content — Flameless atomic absorption spectrometric method
ISO 4140:1979 (R2016) Ferrochromium and ferrosilicochromium — Determination of chromium content — Potentiometric method
ISO 4140:1979 (R2016) Ferrochromium and ferrosilicochromium — Determination of chromium content — Potentiometric method
ISO 4211:1979 (R2017) Furniture — Assessment of surface resistance to cold liquids
ISO 2972:1979 (R2017) Numerical control of machines — Symbols
ISO 4211:1979 (R2017) Furniture — Assessment of surface resistance to cold liquids
ISO 2972:1979 (R2017) Numerical control of machines — Symbols
ISO 4882 (1979-07) ISO 4882:1979 Office machines and data processing equipment - Line spacings and character spacings
ISO 4882 (1979-07) ISO 4882:1979 Office machines and data processing equipment - Line spacings and character spacings
ISO 4850:1979 (R2014) Personal eye-protectors for welding and related techniques — Filters — Utilisation and transmittance requirements
ISO 4850:1979 (R2014) Personal eye-protectors for welding and related techniques — Filters — Utilisation and transmittance requirements
ISO 4015:1979 Hexagon head bolts — Product grade B — Reduced shank (shank diameter approximately equal to pitch diameter)