DIN 41772 Bb.2:1979 Static power convertors; semiconductor rectifier equipment, examples of characteristic curves for equipment operating in parallel with batteries
1979DIN 41772:1979-02 Static power convertors; semiconductor rectifier equipment, shapes and letter symbols of characteristic curves
1979DIN 41772 Bb.2:1979 Static power convertors; semiconductor rectifier equipment, examples of characteristic curves for equipment operating in parallel with batteries