EN 30012-1:1993 Quality Assurance Requirements for Measuring Equipment - Part 1: Metrological Confirmation System for Measuring Equipment (ISO 10012-1 : 1992)
1993EN 30012-1:1993 Quality Assurance Requirements for Measuring Equipment - Part 1: Metrological Confirmation System for Measuring Equipment (ISO 10012-1 : 1992)