SIS SS 06 10 03-1979 Welding electrodes — Penetration electrodes for manual metal-arc welding of carbon and carbon manganese steels — Welds and test pieces for testing of butt welds
1979SIS SS 06 10 03-1979 Welding electrodes — Penetration electrodes for manual metal-arc welding of carbon and carbon manganese steels — Welds and test pieces for testing of butt welds