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ISO 6778:1984 (R2017) Water quality — Determination of ammonium — Potentiometric method
ISO 7150-1:1984 (R2017) Water quality — Determination of ammonium — Part 1: Manual spectrometric method
ISO 7863:1984 (R2018) Height setting micrometers and riser blocks
ISO 7863:1984 (R2018) Height setting micrometers and riser blocks
ISO 447:1984 Machine tools — Direction of operation of controls
ISO 447:1984 Machine tools — Direction of operation of controls
ISO 6898:1984 Open front mechanical power presses — Capacity ratings and dimensions
ISO 6898:1984 Open front mechanical power presses — Capacity ratings and dimensions
ISO 6899:1984 Acceptance conditions of open front mechanical power presses — Testing of the accuracy
ISO 6899:1984 Acceptance conditions of open front mechanical power presses — Testing of the accuracy
ISO 5315:1984 (R2017) Fertilizers — Determination of total nitrogen content — Titrimetric method after distillation
ISO 6637:1984 (R2016) Fruits, vegetables and derived products — Determination of mercury content — Flameless atomic absorption method