00611nam a2200157Ia 4500 190328s9999||||xx |||||||||||||| ||und|| NITIL NITIL 21st 629.1 N28N National Planning Association (Washington) National policy for aviation aircraft production- air forces- air commerce Washington NPA Ca. 1946 xi, 68p. Statement by the NPA Board of Trustees and a report by the NPA Adbisory committee on the aircraft industry National policy; Aircraft industry; Transpotation; Aeronantics BKS 22540 22540 0 0 DDC 0 0 NITIL NITIL 2019-04-03 0 629.1 N28N 6588 2019-04-03 00:00:00 2019-04-03 BKS