00517nam a2200169Ia 4500 35340 35340 OSt 20201214125321.0 190216s9999||||xx |||||||||||||| ||und|| oclc 678.2 DHI/R Dhingra, K C 7458 Ruber and Modern Rubber Goods Industries / K C Dhingra Small Industry Research Institute, 1986. New Delhi: 280p General Collections REF ddc 678.2 DHI/R 678.2 DHI/R