VDI/VDE/DGQ 2618 Blatt 7.1 Berichtigung-2011 Inspection of measuring and test equipment - Test instruction for steel squares 90°, Corrigendum concerning guideline VDI/VDE/DGQ 2618 Blatt 7.1:2010-12
VDI/VDE/DGQ 2618 Blatt 7.1 Berichtigung-2011 history
2011VDI/VDE/DGQ 2618 Blatt 7.1 Berichtigung-2011 Inspection of measuring and test equipment - Test instruction for steel squares 90°, Corrigendum concerning guideline VDI/VDE/DGQ 2618 Blatt 7.1:2010-12