NL178632B
(en )
AMPLIFIER.
CH319795A
(en )
1957-02-28
Transistor push-pull amplifier
CH321340A
(en )
1957-04-30
Counter-coupled amplifier
CH311430A
(en )
1955-11-30
Microwave coupling device.
CH318086A
(en )
1956-12-15
Circuit arrangement for amplifying an electrical signal oscillation
DK73580C
(en )
1952-01-02
Coupling for amplification of electrical oscillations.
DK81811C
(en )
1957-01-28
Coupling for amplification of electrical signal oscillations.
FR1089429A
(en )
1955-03-17
Magneto-mechanical coupling
DK80492C
(en )
1956-02-06
Coupling for amplification of electrical oscillations.
NL180695B
(en )
ELECTROMAGNETIC SIGNAL CONVERTER.
AT186651B
(en )
1956-09-10
Push-pull B amplifier
AT175604B
(en )
1953-07-25
Amplifier circuit
DK75367C
(en )
1953-02-02
Coupling for amplification of electrical oscillations.
DK75725C
(en )
1953-04-20
Coupling for amplification of an electrical signal.
DK72705C
(en )
1951-07-02
Coupling for amplification of an electrical signal.
DK73309C
(en )
1951-11-05
Coupling for amplification of electrical oscillations.
FR1056216A
(en )
1954-02-25
Magnetron amplifier
DK81187C
(en )
1956-10-01
Coupling for combination of electrical signals.
CH310662A
(en )
1955-10-31
Waveguide frequency converter.
DK82377C
(en )
1957-03-11
Frequency stabilization coupling.
DK84561C
(en )
1958-03-17
Coupling for controlling the gradation of an image signal.
DK89225C
(en )
1960-06-27
Signal receiver.
DK70848C
(en )
1950-04-11
Coupling for distribution of signal pulsations.
DK79733C
(en )
1955-08-22
Process for the preparation of o-hydroxyphenylsuccinimides.
DK81353C
(en )
1956-07-16
Process for the preparation of 6-carbamyloxy-indolines.