000 00284nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _bGUP
100 _aGupta, R S
245 0 _aSmallscale manufacture of rubber goods and rubber chemicals
260 _aDelhi
_bSIRI
_c1974
942 _cBK
999 _c22615
_d22615