TY - GEN ED - SRI LANKA STANDARDS INSTITUTION TI - SLS 308 : 1974 : Specification for double - edged stainless steel safety razaor blades (metric units) PY - 1974/// CY - Colombo PB - SLSI KW - a672.715 KW - SRI LANKA-STANDARDS KW - STANDARDS-SRI LANKA N1 - STD2524 ER -