Industrial chemistry /
Das, R. K. 1905-1966
Industrial chemistry / [by] R. K. Das. - Bombay : Asia Pub. House, 1969 - v. illus. 24 cm.
Part. 2 --
Chemistry, Technical.
Chemical industry
660 / DAI 1969
Industrial chemistry / [by] R. K. Das. - Bombay : Asia Pub. House, 1969 - v. illus. 24 cm.
Part. 2 --
Chemistry, Technical.
Chemical industry
660 / DAI 1969