tc8 sc7 p7 r139 cd1 may 2017 https://www.oiml.org/en/tc-sc-pg/committee-drafts/files/tc8_sc7_p7_r139_cd1_may_2017.zip/view https://www.oiml.org/logo.png tc8 sc7 p7 r139 cd1 may 2017 tc8_sc7_p7_r139_cd1_may_2017.zip — 4.7 MB