CH282519A
(en )
1952-04-30
Piezoelectric transmission system.
CH271265A
(en )
1950-10-15
Device for generating phase-modulated oscillations.
CH276533A
(en )
1951-07-15
Travelingwave tube.
DK74272C
(en )
1952-06-09
Coupling for generating sawtooth oscillations.
CH261156A
(en )
1949-04-30
Electroacoustic converter.
CH270714A
(en )
1950-09-15
Self-oscillating pendulum feedback receiver.
CH266249A
(en )
1950-01-15
Oscillations generator.
DK79110C
(en )
1955-04-12
Coupling for generating frequency modulated oscillations.
DK73955C
(en )
1952-03-31
Oscillator for generating non-sinusoidal waves.
DK81470C
(en )
1956-07-30
Process for the preparation of d- and 1-biotin.
DK77829C
(en )
1954-07-19
Coupling for generating phase or frequency modulated oscillations.
DK71443C
(en )
1950-09-04
Coupling for generating sawtooth-shaped currents.
DK73203C
(en )
1951-10-15
Coupling for detecting frequency modulated oscillations.
CH274396A
(en )
1951-03-31
Pendulum feedback receiver.
DK81776C
(en )
1956-09-10
Coupling for generating phase-modulated oscillations.
DK81716C
(en )
1957-01-07
Coupling for generating phase-modulated oscillations.
DK72101C
(en )
1951-02-05
Process for the preparation of N-methyl-piperido-octahydrophenanthrene.
DK71723C
(en )
1950-11-20
Process for the preparation of d, 1-biotin.
DK74431C
(en )
1952-07-14
Coupling for detecting frequency modulated oscillations.
DK71101C
(en )
1950-06-12
Process for the preparation of pyridyl-3-carbinol.
DK70318C
(en )
1949-12-12
Process for the preparation of 2-amino-6-oxy-8-pteridyl-aldehyde.
DK74269C
(en )
1952-06-09
Process for the preparation of α-acetoxy-diphenyl-acetic acid-acetylamide.
DK71328C
(en )
1950-08-07
Process for the preparation of 2-ethoxybenzamide.
DK77800C
(en )
1954-07-12
Coupling for generating direct voltage.
DK73946C
(en )
1952-03-31
Process for the preparation of 2- (N, N-diphenyl-aminomethyl) -imidazolines.