TY - GEN ED - SRI LANKA STANDARDS INSTITUTION TI - SLS 871 : Part.3 : 1990 : Code for use of plastic materials for food contact applications : Pt. 3 - Polyethylene (PE) PY - 1990/// CY - Colombo PB - SLSI KW - a664:621.798:678.5 KW - SRI LANKA-STANDARDS KW - STANDARDS-SRI LANKA N1 - STD3001 ER -