00819nam0-22002891i-450-990000002450403321000000245FED01000000245(Aleph)000000245FED0100000024520011111d--------km-y0itay50------baitay-------001yyTelephone prive et interphonetheories et realisations pratiquesR. Besson.ParisTechnique et vulgarisation1950119 p.ill.22 cmTelefoni384.6Besson,René<1915- >330971ITUNINARICAUNIMARCBK99000000245040332113 B 52 1220310FINBCFINBCTelephone prive et interphone107643UNINAING01