CH208067A
(en )
1939-12-31
Electron multiplier.
CH201749A
(en )
1938-12-15
Electron multiplier.
FR828957A
(en )
1938-06-07
electrode
CH206023A
(en )
1939-07-15
Electron multiplier.
DK68632C
(en )
1949-02-28
Electron multiplier with two parallel rows of secondary emission electrodes.
FR809079A
(en )
1937-02-23
Improvements to cathode ray oscillographs
CH206302A
(en )
1939-07-31
Electron multiplier tube.
DK60989C
(en )
1943-06-07
Multipliers with two parallel Rows facing each other Secondary emission electrodes.
FR825786A
(en )
1938-03-14
electrode
FR851749A
(en )
1940-01-13
Improvements to secondary electron emitting electrodes
DK65705C
(en )
1947-10-06
Multiplier tubes whose Secondary Emission Electrodes lie in two parallel Rows opposite each other.
FR774609A
(en )
1934-12-10
Improvements to electrodes, their execution and applications
FI19939A
(en )
1944-03-10
Moduleringskoppling med secondary electron multiplier
FI19940A
(en )
1944-03-10
Secondary electron multiplier
FR845225A
(en )
1939-08-16
Photoelectric cell with secondary electron amplification
FI19479A
(en )
1943-02-10
Electron circuit with secondary remission electrodes
DK59008C
(en )
1941-09-08
Electron tube with two branched anode electrodes.
AU105915B2
(en )
1938-12-08
Improvements in or relating to secondary electron emitting electrodes
AT156041B
(en )
1939-04-25
High frequency electrode.
FR47502E
(en )
1937-05-24
Improvements to emitting electrodes
DK56600C
(en )
1939-08-28
Electric Discharge Tube with Secondary Emission Electrode.
DK56111C
(en )
1939-05-01
Electric Discharge Tube with Secondary Emission Electrode.
FR827367A
(en )
1938-04-25
Improvements to cathode-ray lamps
AU433237A
(en )
1938-12-08
Improvements in or relating to secondary electron emitting electrodes
AU104040B2
(en )
1938-06-09
Improvements in or relating to electron discharge devices containing atleast one electrode capable of secondary emission