r051-2006-nl1-2019-03-rev1.pdf https://www.oiml.org/en/files/pdf_c/r051-2006-nl1-2019-03-rev1.pdf/view https://www.oiml.org/logo.png r051-2006-nl1-2019-03-rev1.pdf r051-2006-nl1-2019-03-rev1.pdf — 1.2 MB