DK51981C
(en )
1936-08-10
Coupling with associated discharge tube for amplification and frequency transformation of electrical oscillations.
DK59205C
(en )
1941-11-17
Coupling for Amplification of Low Frequency Oscillations and with Countercoupling.
DK61848C
(en )
1944-01-31
Coupling and Discharge Tube for Amplification of High Frequency Electrical Oscillations.
DK49946C
(en )
1935-03-04
Circuit arrangement for amplification of high frequency oscillations.
DK52330C
(en )
1936-11-16
Coupling with automatic Volume control for Amplification of High or Medium frequency oscillations.
DK53642C
(en )
1937-09-27
Coupling for Amplification of Electrical Oscillations.
DK59189C
(en )
1941-11-10
Cathode ray tubes for amplification and detection of very high frequency electrical oscillations.
DK51650C
(en )
1936-05-18
High or Medium Frequency Amplifier Coupling.
DK49184C
(en )
1934-08-27
High frequency amplifier coupling.
DK61952C
(en )
1944-02-21
Electric Discharge Tube for Amplification of High Frequency Oscillations.
DK53933C
(en )
1937-11-29
Amplifier for high frequency electrical oscillations.
DK55646C
(en )
1939-01-02
Electron Tube and Coupling for its Application.
DK51485C
(en )
1936-04-06
Electrical Discharge Pipe and Procedure for Its Manufacture.
DK59365C
(en )
1942-01-05
Coupling for Generating or Amplifying Ultra High Frequency Oscillations.
DK52360C
(en )
1936-11-30
Process for the Preparation of Desoxymorphine C and Dihydrodeoxymorphine D.
CH182820A
(en )
1936-02-29
Discharge tube for generating electrical ultra-high frequency oscillations without external feedback.
DK54242C
(en )
1938-01-31
Television apparatus and procedure for operation of the same.
FR805686A
(en )
1936-11-26
High frequency coupling circuits
DK54516C
(en )
1938-03-28
Coupling for Receiving modulated High Frequency Oscillations.
DK52010C
(en )
1936-08-10
Intermediate frequency amplifier.
DK54852C
(en )
1938-06-13
Coupling with electric discharge tube for regulating the frequency of an oscillation system.
DK54738C
(en )
1938-05-16
Coupling to Unification of modulated High Frequency Oscillations.
DK51482C
(en )
1936-04-06
Procedure for Preparing Durable Solutions of Dioxydiaminoarsenobenzole and its Derivatives.
DK52519C
(en )
1937-01-04
Discharge tubes for generating ultra-high frequency electric oscillations without external feedback.
DK54929C
(en )
1938-07-04
Coupling to Modulation of High Frequency Oscillations.