CH231797A
(en )
1944-04-15
Telecommunication apparatus.
CH214354A
(en )
1941-04-15
Electrical apparatus.
CH205694A
(en )
1939-06-30
Electrical apparatus.
DK63223C
(en )
1945-03-05
Apparatus for generating short electric waves.
DK59506C
(en )
1942-02-23
Apparatus for generating short-term electric shocks.
DK65545C
(en )
1947-08-25
Apparatus for generating sawtooth-shaped current curves.
DK63085C
(en )
1945-01-08
Apparatus for generating a high frequency AC voltage, preferably for measuring purposes.
CH214999A
(en )
1941-05-31
Compressed air insulated electrical apparatus.
ES5939Y
(en )
1942-04-16
Politensor apparatus.
DK68128C
(en )
1948-12-13
Apparatus for generating photocopy.
FI21059A
(en )
1946-02-11
Apparatus for electroacoustic lighting
DK63222C
(en )
1945-03-05
Apparatus for temporal Displacement of periodic, uniform electrical Pulses.
DK59409C
(en )
1942-01-19
Projection apparatus.
DK65963C
(en )
1947-12-01
Apparatus with an Electric Discharge Tube for Very High Frequencies.
DK61149C
(en )
1943-07-19
Apparatus for Insulating Electrical Conductors.
DK61272C
(en )
1943-08-30
Apparatus for Recording Tone Fluctuations.
DK68010C
(en )
1948-11-29
Apparatus for amplifying sawtooth-shaped oscillations.
CH214847A
(en )
1941-05-31
Pounding apparatus.
DK75907C
(en )
1953-06-01
A method of generating attenuated electrical oscillations and an apparatus for performing the method.
DK62963C
(en )
1944-12-04
Generator for ultra-high frequency electric waves.
DK73109C
(en )
1951-09-24
Apparatus for selecting electrical impulses.
DK74819C
(en )
1952-10-13
Apparatus for forming and recovering convulsions.
DK62066C
(en )
1944-03-27
System for Adjusting an Electric Operating Size.
DK72202C
(en )
1951-02-26
Apparatus for drying gases.
DK66414C
(en )
1948-03-08
Apparatus for Performing Films in Tone Films.