TY - GEN ED - SRI LANKA STANDARDS INSTITUTION TI - SLS 907 : Part 4 : 1990 : Specification for dimensions and sectional properties of hot rolled structural steel sections : Part 4 - L sections (equal and unequal angles) PY - 1990/// CY - Colombo PB - SLSI KW - a669.14.08-41 KW - SRI LANKA-STANDARDS KW - STANDARDS-SRI LANKA N1 - STD3023 ER -