NL47728C - - Google Patents
Info
- Publication number
- NL47728C NL47728C NL47728DA NL47728C NL 47728 C NL47728 C NL 47728C NL 47728D A NL47728D A NL 47728DA NL 47728 C NL47728 C NL 47728C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/50—Thermionic-cathode tubes
- H01J17/52—Thermionic-cathode tubes with one cathode and one anode
- H01J17/54—Thermionic-cathode tubes with one cathode and one anode having one or more control electrodes
- H01J17/56—Thermionic-cathode tubes with one cathode and one anode having one or more control electrodes for preventing and then permitting ignition, but thereafter having no control
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE459114X | 1935-07-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL47728C true NL47728C (en) |
Family
ID=6539539
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL47728D NL47728C (en) | 1935-07-25 |
Country Status (2)
Country | Link |
---|---|
GB (1) | GB459114A (en) |
NL (1) | NL47728C (en) |
-
0
- NL NL47728D patent/NL47728C/xx active
-
1936
- 1936-07-23 GB GB20453/36A patent/GB459114A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB459114A (en) | 1937-01-01 |