FR695294A
(en )
1930-12-13
Oscillating circuit for electrical oscillations
CH199610A
(en )
1939-08-31
Circuit for television transmitters for generating synchronous characters.
AT140784B
(en )
1935-02-25
Arrangement for generating short-wave electrical oscillations.
FR738406A
(en )
1932-12-26
Solar generator
CH160575A
(en )
1933-03-15
Electric vibrator for massage purposes.
FR724413A
(en )
1932-04-27
Improvements made to the cooling arrangements for electrical machines
SU25118A1
(en )
1932-01-31
Device for generating electrical oscillations
FR728395A
(en )
1932-07-05
Electric generator
FR740405A
(en )
1933-01-26
Improvements to electric oscillation generators
SU19552A1
(en )
1931-02-28
Electric weaving tar machine
FR740226A
(en )
1933-01-23
Steam generator
FR732014A
(en )
1932-09-12
Improvements to electrical machines
DK44189C
(en )
1931-06-01
Vibration apparatus for generating electric current.
DK48162C
(en )
1933-12-18
Electric Vibration Generator.
CA307204A
(en )
1930-12-30
Circuit for generating electric oscillations
DK46588C
(en )
1932-12-05
Electric Bone Machine.
ES122299A3
(en )
1931-04-16
Improvements in the means of regulation of electrical machines.
CH155836A
(en )
1932-07-15
Electric soldering iron.
FR727904A
(en )
1932-06-27
IMPROVEMENTS IN ELECTRIC CLOCKS
FR747854A
(en )
1933-06-24
Improvements in high frequency current generating stations
FI13253A
(en )
1931-01-23
Termionisk Generator
DK49460C
(en )
1934-10-29
Electric DC Generator.
DK48972C
(en )
1934-07-09
Electric Musical Instrument.
DK49457C
(en )
1934-10-29
Electric Musical Instrument.
DK47796C
(en )
1933-09-25
Electric Musical Instrument.