00355nam a22001097a 4500008004100000040005500041080001200096245003700108260005900145650002800204653001300232230606b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  a62(540)  aEngineering industries of India   aCalcutta: bThe Engineering Export Promotion Council,   aEngineering industries   aScience