CH231797A
(en )
1944-04-15
Telecommunication apparatus.
CH214354A
(en )
1941-04-15
Electrical apparatus.
CH205694A
(en )
1939-06-30
Electrical apparatus.
DK59506C
(en )
1942-02-23
Apparatus for generating short-term electric shocks.
DK63223C
(en )
1945-03-05
Apparatus for generating short electric waves.
DK65545C
(en )
1947-08-25
Apparatus for generating sawtooth-shaped current curves.
DK62838C
(en )
1944-10-30
Foam Removal Device.
DK68128C
(en )
1948-12-13
Apparatus for generating photocopy.
DK59620C
(en )
1942-03-30
Apparatus for roasting coffee.
DK61272C
(en )
1943-08-30
Apparatus for Recording Tone Fluctuations.
DK63085C
(en )
1945-01-08
Apparatus for generating a high frequency AC voltage, preferably for measuring purposes.
ES5939Y
(en )
1942-04-16
Politensor apparatus.
DK59836C
(en )
1942-06-01
Apparatus for processing chocolate mass.
DK61737C
(en )
1943-12-27
Liquid Filtration Apparatus.
DK64011C
(en )
1945-10-08
Apparatus for Holding Workpieces.
DK59409C
(en )
1942-01-19
Projection apparatus.
DK72202C
(en )
1951-02-26
Apparatus for drying gases.
DK65484C
(en )
1947-08-04
Apparatus for Reproducing Images.
DK67278C
(en )
1948-07-26
Procedure for Reprocessing Tanning Materials.
DK60685C
(en )
1943-03-08
Apparatus for performing metal band bindings.
ES153039A1
(en )
1943-03-01
AN ELECTRICAL SHOCK APPARATUS
DK68010C
(en )
1948-11-29
Apparatus for amplifying sawtooth-shaped oscillations.
DK64114C
(en )
1945-11-26
Apparatus for detecting the time course of rapidly varying electrical voltages.
DK60270C
(en )
1942-10-26
Apparatus for generating short-term electrical voltage pulses in electric fences.
ES150056A1
(en )
1942-06-01
IMPROVEMENTS IN THE OPTICAL APPARATUS