Technical rule
[CURRENT]
VDI/VDE/DGQ 2618 Blatt 7.2
VDI/VDE/DGQ 2618 Blatt 7.2
Inspection of measuring and test equipment - Test instruction for protractors
Title (German)
Prüfmittelüberwachung - Prüfanweisung für Winkelmesser