00520nam a2200169Ia 4500003000900000008004100009040001600050080001600066245009400082260005600176300001000232650001900242650001400261650001900275700002200294710003400316IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a621.38bBAK 0aPhillps application bookbIgnitronscedited by P. J. Baker; Philips Gloeilanapenfabrieken  aNetherlandbTechnical Publications Departmentc1968  a173p.  aElectron Tubes  aIgnitrons  aNASA Thesaurus  aBaker, P. J., ed.  aPhilips Gloeilanapenfabrieken