DIN EN ISO 14271:2018-01 Resistance welding - Vickers hardness testing (low-force and microhardness) of resistance spot, projection, and seam welds (ISO 14271:2017); German version EN ISO 14271:2017
2018DIN EN ISO 14271:2018-01 Resistance welding - Vickers hardness testing (low-force and microhardness) of resistance spot, projection, and seam welds (ISO 14271:2017); German version EN ISO 14271:2017
2012DIN EN ISO 14271:2012 Resistance welding - Vickers hardness testing (low-force and microhardness) of resistance spot, projection and seam welds (ISO 14271:2011 + Cor 1:2012); German version EN ISO 14271:2011 + AC:2012
2011DIN EN ISO 14271:2011 Resistance welding - Vickers hardness testing (low-force and microhardness) of resistance spot, projection and seam welds (ISO 14271:2011); German version EN ISO 14271:2011