tc8 sc7 r139 1 2 1cd https://www.oiml.org/en/tc-sc-pg/committee-drafts/files/tc8-sc7-r139-1-2-1cd.zip/view https://www.oiml.org/logo.png tc8 sc7 r139 1 2 1cd tc8_sc7_r139_1-2_1cd.zip — 1.7 MB