00461nam a22001337a 4500008004100000040005500041080002800096245007400124250001300198260006100211300001600272650002400288653001500312230517b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aR 66/69(540)(058.7)bK3  aIndian Engineering industriesc/ The Engineering Association of India  a8th ed.   aCalcutta: bThe Engineering Association of India, c1963  axxii, 974p.  aChemical technology  aIndustries