000 00421nam a2200133Ia 4500
008 220217s9999 xx 000 0 und d
245 0 _aSpecification for cold polymerized oil-extended raw styrene-butadiene rubber
260 _aNew Delhi
260 _c1969
_bISI
490 _aGrading packing& packaging rubber subcomm, CDC42:2
500 _aStandard number: IS 5188
650 _aStyrene butadiene rubber
942 _cST
999 _c73823
_d73823