BE396740D
BE396740A
(en)
|
1932-06-30 |
|
|
NL61706A
NL36712C
(en)
|
1932-06-30 |
1932-06-30 |
|
DEN34051D
DE632922C
(en)
|
1932-06-30 |
1932-08-09 |
Electric discharge tubes with gas filling and a glow cathode with electron-emitting substances designed to emit light beams
|
AT135172D
AT135172B
(en)
|
1932-06-30 |
1932-08-09 |
Gas-filled electric discharge tube.
|
AT136486D
AT136486B
(en)
|
1932-06-30 |
1932-08-09 |
Electric discharge tube.
|
DEN34070D
DE632920C
(en)
|
1932-06-30 |
1932-08-10 |
Gas-filled electric arc discharge lamp with a fixed glow cathode arranged between several anodes
|
AT135809D
AT135809B
(en)
|
1932-06-30 |
1932-08-16 |
Electric discharge tube.
|
AT138161D
AT138161B
(en)
|
1932-06-30 |
1933-01-31 |
Electric discharge tube.
|
DK48606D
DK48606C
(en)
|
1932-06-30 |
1933-05-03 |
Gaseous electric Arc discharge lamp.
|
DK48850D
DK48850C
(en)
|
1932-06-30 |
1933-05-18 |
Electric Discharge Lamp.
|
CH170226D
CH170226A
(en)
|
1932-06-30 |
1933-06-06 |
Gas-filled electric arc tube.
|
CH169848D
CH169848A
(en)
|
1932-06-30 |
1933-06-06 |
Electric discharge tube for emitting light.
|
FR756663D
FR756663A
(en)
|
1932-06-30 |
1933-06-07 |
Electric discharge tube
|
FR756662D
FR756662A
(en)
|
1932-06-30 |
1933-06-07 |
Electric arc and gas atmosphere discharge tube
|
GB16469/33A
GB410621A
(en)
|
1932-06-30 |
1933-06-08 |
Improvements in or relating to gasfilled electric arc discharge lamps
|
DK49527D
DK49527C
(en)
|
1932-06-30 |
1933-06-08 |
Electric Discharge Pipe.
|
GB16470/33A
GB411293A
(en)
|
1932-06-30 |
1933-06-08 |
Improvements in or relating to electric discharge tubes
|
CH171167D
CH171167A
(en)
|
1932-06-30 |
1933-06-14 |
Electric discharge tube.
|
US678952A
US2001509A
(en)
|
1932-06-30 |
1933-07-03 |
Electric discharge apparatus
|
AT140942D
AT140942B
(en)
|
1932-06-30 |
1934-06-02 |
Electric discharge tube.
|