000			00491nam a2200133Ia 4500
008			220216s9999 xx 000 0 und d
100			_aKarna U.C.
245		0	_aGeneral purpose synthetic rubbers
260			_bIn: Lecture Notes for the Refresher Course for small scale rubber goods manufacturers. Rubber Research Institute of India, Kottayam, India, pp. 1-24. _c1979
650			_aButyl rubber
650			_aSmallscale rubber manufacturing unit
650			_aSynthetic rubber
942			_cBS
999			_c51002 _d51002