CH298303A
(en )
1954-04-30
High frequency furnace.
CH306799A
(en )
1955-04-30
Amplifier circuit.
CH311430A
(en )
1955-11-30
Microwave coupling device.
DK73580C
(en )
1952-01-02
Coupling for amplification of electrical oscillations.
DK80492C
(en )
1956-02-06
Coupling for amplification of electrical oscillations.
DK81811C
(en )
1957-01-28
Coupling for amplification of electrical signal oscillations.
DK75367C
(en )
1953-02-02
Coupling for amplification of electrical oscillations.
CH305271A
(en )
1955-02-15
Amplifier circuit.
DK82377C
(en )
1957-03-11
Frequency stabilization coupling.
DK73309C
(en )
1951-11-05
Coupling for amplification of electrical oscillations.
DK81187C
(en )
1956-10-01
Coupling for combination of electrical signals.
DK75725C
(en )
1953-04-20
Coupling for amplification of an electrical signal.
DK72705C
(en )
1951-07-02
Coupling for amplification of an electrical signal.
DK79302C
(en )
1955-05-31
Amplifier coupling.
DK79835C
(en )
1955-09-12
Coupling for synchronizing an oscillator.
DK77953C
(en )
1954-08-16
Process for the preparation of 1-isonicotinyl-2-aldosyl hydrazines.
DK82182C
(en )
1956-11-05
Process for the preparation of N1-sulfanilylamidopyrimidines.
DK82549C
(en )
1956-12-17
Process for the preparation of 1-benzyl-4-benzhydrylpiperazines.
DK79105C
(en )
1955-04-12
Process for the preparation of piperidiones.
DK78533C
(en )
1954-12-06
Process for the preparation of bis-phenylthioureas.
DK77244C
(en )
1954-03-15
Process for the preparation of thioisonicotinamide.
DK77013C
(en )
1954-01-25
Process for the preparation of pyridyl-3-carbinol.
DK82551C
(en )
1956-12-17
Process for the preparation of 1-benzyl-4-benzhydrylpiperazines.
DK81916C
(en )
1957-01-21
Process for the preparation of pyridylallylamines.
DK82550C
(en )
1956-12-17
Process for the preparation of 1-benzhydryl-4-benzyl-piperazines.