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15 April 2019
  Ionizing Radiation - SIM

Publication of new and revised CMCs in Ionizing Radiation declared by Canada via SIM.

15 April 2019
  Length - SIM

Publication of a revised CMC in Dimensional metrology declared by Uruguay via SIM.

12 April 2019
  Mass - APMP

Publication of new and revised CMCs in Mass declared by China via APMP