CA435366A
(fr )
1946-06-18
Amplificateur a retroaction
AU135653B2
(en )
1946-05-09
Negative feedback amplifier
AU338546A
(en )
1946-05-09
Negative feedback amplifier
CA443461A
(fr )
1947-08-05
Amplificateur a alimentation de retour
CA434025A
(fr )
1946-04-09
Amplificateur a haut gain
AU132770B2
(en )
1946-03-22
Variable gain amplifier
AU137673B2
(en )
1946-12-19
Intermediate frequency amplifier
AU132349B2
(en )
1946-04-03
High frequency amplifier
AU137162B2
(en )
1946-12-19
High frequency amplifier
CA444640A
(fr )
1947-10-21
Amplificateur thermionique a retour
AU135500B2
(en )
1948-02-12
Inverse feedback amplifiers
CA433692A
(fr )
1946-03-19
Insecticide
CA433691A
(fr )
1946-03-19
Insecticide
CA433131A
(fr )
1946-02-19
Insecticide
CA433235A
(fr )
1946-02-26
Insecticide
CA433762A
(fr )
1946-03-26
Insecticide
AU229746A
(en )
1946-03-22
Variable gain amplifier
CA438225A
(fr )
1946-11-26
Amplificateur d'impulsions
CA437700A
(fr )
1946-10-29
Amplificateur de la force de pression
CA438497A
(fr )
1946-12-10
Amplificateur a large bande
CA432697A
(fr )
1946-01-22
Amplicateur a larges bandes
CA437812A
(fr )
1946-11-05
Amplificateur a larges bandes
CA435001A
(fr )
1946-05-28
Avant-pieu
AU821046A
(en )
1946-12-19
Intermediate frequency amplifier
CA437761A
(fr )
1946-11-05
Derive d'hydroxy-stilbene