TY - GEN ED - BUREAU OF CEYLON STANDARDS TI - SLS 297 : Part III : 1974 : Methods of testing vulcanized rubber - part III : Determination of tear strength (crescent test piece) PY - 1974/// CY - Colombo PB - Bureau of Ceylon Standards KW - a678.43:620.172 KW - SRI LANKA-STANDARDS KW - STANDARDS-SRI LANKA N1 - STD2509 ER -