CA527582A
(fr )
1956-07-10
Lampe electronique a vide
CA527301A
(fr )
1956-07-03
Lampe a electrons
CA520203A
(fr )
1956-01-03
Systeme de balayage a vide
CA520620A
(fr )
1956-01-10
Lampes electroniques
AU215023B2
(en )
1956-09-06
Microwave vacuum tubes
CA534764A
(fr )
1956-12-25
Dispositif a refouler
CA532069A
(fr )
1956-10-23
Ethers non satures
AU211514B2
(en )
1956-09-13
Vacuum tube socket
AU212049B2
(en )
1956-09-13
Vacuum tube socket
CA534987A
(fr )
1956-12-25
Enveloppe
CA521568A
(fr )
1956-02-07
Lampe de decharge de vide
CA526868A
(fr )
1956-06-26
Lampe electronique
CA522935A
(fr )
1956-03-20
Lampe indicatrice de syntonisation a faisceau d'electrons
AU214493B2
(en )
1957-02-21
Voltage-indicating tube
AU1644256A
(en )
1956-09-06
Microwave vacuum tubes
CA526277A
(fr )
1956-06-12
Agencements de circuits de lampes a decharge electrique
AU1648756A
(en )
1956-09-13
Vacuum tube socket
AU1648856A
(en )
1956-09-13
Vacuum tube socket
CA522160A
(fr )
1956-02-28
Lampe a rayons cathodiques
CA524303A
(fr )
1956-04-24
Concentrateur a vide
CA531118A
(fr )
1956-10-02
Appareil de pompage a vide
AU210133B2
(en )
1956-10-11
Vacuum cleaners
CA522192A
(fr )
1956-02-28
Aspirateurs
CA520495A
(fr )
1956-01-10
Filtre a vide
CA525223A
(fr )
1956-05-22
Aspirateur