00488cam a22001571 4500 692.5 HOU L-13, P-70 Houghton, Philip Stephen. 42171 Estimating and planning for engineering production. Houghton, Philip Stephen. 1st ed. London, Blackie [1950] xviii, 366 p. diagrs. 23 cm. 0 0 0 692_500000000000000_HOU Machine shops. 45385 MCE 379 ddc BK 548927 548927 0 0 ddc 0 0 MCE MCE 2014-09-11 0 692.5 HOU MCE-1945 2014-09-11 2014-09-11 BK