00328nam a2200133Ia 45000010005000000030004000050050017000090080041000260400011000670410008000780820011000861000026000972450071001239997Ost20260507155141.0251113s9999||||xx |||||||||||||| ||eng||  cnitttr  aeng  a620.11  aChowdhury,  K. P. Roy 0aEngineering materials  :bas used in India /cChowdhury, K. P. Roy