TY - GEN ED - SRI LANKA STANDARDS INSTITUTION TI - SLS 803 : Part 1 : 1987 : Specification for spun polyester yarns : Part 1 - for weaving (conventional looms) PY - 1987/// CY - Colombo PB - SLSI KW - a677.494.674 KW - SRI LANKA-STANDARDS KW - STANDARDS-SRI LANKA N1 - STD2948 ER -