TY - GEN ED - BUREAU OF CEYLON STANDARDS TI - SLS 568 : 1982 : Specification for ceramic squatting pans and traps PY - 1982/// CY - Colombo PB - BCS KW - a696.14:696.133:666.5 KW - SRI LANKA-STANDARDS KW - STANDARDAS-SRI LANKA N1 - STD2760 ER -