000 00319nam a2200133Ia 4500
008 220216s9999 xx 000 0 und d
100 _aKotova Svetlana
245 0 _aImroved properties of nitrile butadiene rubber
260 _bRubber World
_c2013
300 _a18-20
650 _aNBR
650 _aPVC
942 _cJS
999 _c60920
_d60920