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027 _aSLS484 : Part 6 : 1980
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041 _aeng
942 _cSD
110 _aBUREAU OF CEYLON STANDARDS
245 _aSLS : 484 : part 6 : 1980 : Methods of test for raw natural rubber part 6 : determination of plasticity retention index
260 _aColombo
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300 _a08p.
500 _aSTD2676
650 _aa678.032:535.661.3
650 _aSRI LANKA-STANDARDS
650 _aSTANDARDS-SRI LANKA