00495nam a22001457a 4500 230410b |||||||| |||| 00| 0 eng d National Science Library National Science Library 338(083.7)(540) F1 Ayyar, S N Chandrasekhara 6582 Catalogue of the exhibits in the economic production section except wood specimens Madras: Government Press, 1921 vi, 178p. Information science udc BK 19785 19785 0 0 udc 0 3380837540_F1 0 28995 NSL NSL GF/Rk-5/C-7/R-1 2004-06-28 0 338(083.7)(540) F1 184347 2023-04-10 00:00:00 2004-06-28 BK