2013DIN EN ISO 9312:2013-12 Resistance welding equipment - Insulated pins for use in electrode back-ups (ISO 9312:2013); German version EN ISO 9312:2013
1970DIN EN ISO 9312 E:2013-02 Insulating posts for electrode blocks of resistance welding equipment (draft)
2013DIN EN ISO 9312:2013 Resistance welding equipment - Insulated pins for use in electrode back-ups (ISO 9312:2013); German version EN ISO 9312:2013