TY - GEN ED - BUREAU OF CEYLON STANDARDS TI - SLS 567 : 1982 : Specification for electric manual arc welding electrodes for hardfacing PY - 1982/// CY - Colombo PB - BCS KW - a621.791.927 KW - SRI LANKA-STANDARDS KW - STANDARDS-SRI LANKA N1 - STD2759 ER -