TY - BOOK ED - Indian Standards Institution TI - Indian standard specification for covered electrodes for metal arc welding of structural steel: pt. 1, for welding products other than sheets PY - 1974/// CY - New Delhi PB - Indian Standards Institution KW -  Electrodes-Standards KW -  Standards  KW - NASA Thesaurus  N1 - IS 814 : Part 1 : 1974 ER -