r51-2006-de1-2023-03.pdf https://www.oiml.org/en/files/pdf_c/r51-2006-de1-2023-03.pdf/view https://www.oiml.org/logo.png r51-2006-de1-2023-03.pdf r51-2006-de1-2023-03.pdf — 648.1 KB