pdf https://www.oiml.org/en/about/policy-and-legislation/pdf https://www.oiml.org/logo.png pdf BIPM-OIML-D1-Folder.pdf BIPM-OIML-D1-global.pdf BIPM-OIML-D1-Insert1.pdf BIPM-OIML-D1-Insert2.pdf BIPM-OIML-D1-Insert3.pdf BIPM-OIML-D1-Insert4.pdf BIPM-OIML-D1-Insert5.pdf BIPM-OIML-D1-Insert6.pdf