000 00336pam a2200121a 44500
020 _a1959
082 _aNASA
_bTN D-28 -
100 _aJohn A Campbell
245 1 _aCombined water-bromotrifluoromethane crash-fire protection system for a T-56 turbopropeller engine
260 _a
_b
_c
700 _aArthur M Busch
997 _aTR8556 C
999 _c406106
_d406106