CA449326A
(fr )
1948-06-22
Systeme radiogoniometrique
CA448852A
(fr )
1948-06-01
Systeme de radioreception
CA449325A
(fr )
1948-06-22
Systeme azimutal de radiogoniometrie
CA450904A
(fr )
1948-08-31
Systeme de radioreception
CA451195A
(fr )
1948-09-14
Systeme de radioreception
CA453013A
(fr )
1948-11-30
Systeme de radioreception
CA447509A
(fr )
1948-03-30
Antenne
CA451684A
(fr )
1948-10-05
Systeme de reperage radioelectrique
CA452991A
(fr )
1948-11-30
Systeme de radiocommunication
CA448022A
(fr )
1948-04-20
Systeme d'antenne
CA452389A
(fr )
1948-11-02
Systeme d'antenne
AU146546B2
(en )
1948-11-18
Radio navigation system
CA448860A
(fr )
1948-06-01
Systeme de radiogoniometrie
CA448767A
(fr )
1948-05-25
Appareillage pour radiogoniometrie
CA447022A
(fr )
1948-03-02
Systeme recepteur de signaux a ondes
CA446278A
(fr )
1948-01-20
Systeme de detection par radio
CA447967A
(fr )
1948-04-20
Systeme de radiodetection
CA446148A
(fr )
1948-01-13
Systeme de radiogeniometrie
CA452902A
(fr )
1948-11-23
Systeme de guidage radioelectrique
CA446771A
(fr )
1948-02-17
Radio goniometre
CA449937A
(fr )
1948-07-20
Radiogoniometre
CA453275A
(fr )
1948-12-14
Radiogoniometre
CA453488A
(fr )
1948-12-21
Systeme de detection par radio
AU2382648A
(en )
1948-11-18
Radio navigation system
AU143462B2
(en )
Position finding systems