TY - GEN ED - BUREAU OF CEYLON STANDARDS TI - SLS : 484 : part 1 : 1980 : Methods of test for raw natural rubber : determination of dirt PY - 1980/// CY - Colombo PB - BUREAU OF CEYLON STANDARDS KW - a678.4.032:543.869 KW - SRI LANKA-STANDARDS KW - STANDARDS-SRI LANKA N1 - STD2671 ER -