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UA71049C2
|
|
Electrooptic system of a kinescope
|
|
UA57174C2
|
|
General-purpose incandescent-filament lamp
|
|
UA57175C2
|
|
Low pressure luminescence lamp
|
|
UA64830C2
|
|
Material for cathodes of electron discharge devices
|
|
UA49998C2
|
|
Method for electrothermal training of directly heated cathodes
|
|
UA53797C2
|
|
High-pressure gas-discharge lamp and the method for producing thereof
|
|
UA50847C2
|
|
Device for recording high-frequency signals
|
|
UA50833C2
|
|
Cathode ray tube
|
|
UA28133C2
|
|
Method for assembly of electron gun with metaloalloy cathode
|
|
UA28130C2
|
|
Straight filament cathode pack for electron-beam tubes
|
|
UA28129C2
|
|
Material for electronic device cathode
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