00645nac a22001931u 4500 8122414354 691 DUG 981 981 Duggal, S.K. Building materials / S.K. Duggal. 2nd revised ed. New Delhi : New Age International Pvt. Ltd., 2004. 535 p. : illus; 24 cm. Includes index. Building materials industry. Construction equipment. BB 691DUG 981 981 0 0 ddc 0 0 MAIN MAIN 1ST 2015-08-06 purchase 80.00 7 3 691DUG 000003536 2025-07-15 00:00:00 2014-11-29 100.00 BB