|
US820113A
(en)
|
|
Water-purifier.
|
|
BE423786A
(h)
|
|
|
|
US3740507A
(en)
|
|
Vacuum switch with magnetically controllable arc
|
|
US4606892A
(en)
|
|
Ozone generator of stack-type design, employing round plate-electrodes
|
|
US4797778A
(en)
|
|
Gas discharge path
|
|
US4002867A
(en)
|
|
Vacuum-type circuit interrupters with condensing shield at a fixed potential relative to the contacts
|
|
US2542639A
(en)
|
|
Electrode structure for electric discharge devices
|
|
US1598877A
(en)
|
|
Electrical switch
|
|
US3287531A
(en)
|
|
Terminal bushing having impedance means associated therewith
|
|
US2966569A
(en)
|
|
Vacuum switch
|
|
US3442788A
(en)
|
|
Ozone generator
|
|
US1944190A
(en)
|
|
Vacuum tube
|
|
US1934475A
(en)
|
|
Electric capacitor
|
|
BE393058A
(h)
|
|
|
|
US1984469A
(en)
|
|
Electric cathode glow lamp
|
|
US2096236A
(en)
|
|
Electrical discharge device
|
|
RU2002111696A
(ru)
|
|
Электродный нагреватель воды (варианты)
|
|
US1603417A
(en)
|
|
Electric gas lamp with glow discharge
|
|
US2532188A
(en)
|
|
Ion discharge tube for high voltages
|
|
US2065152A
(en)
|
|
Voltage limiting device
|
|
US1316967A
(en)
|
|
Gaseous-conduction lamp |
|
US3727092A
(en)
|
|
High power vacuum fuse apparatus
|
|
US2419236A
(en)
|
|
Electrical gaseous discharge device having constant starting characteristics
|
|
US3267320A
(en)
|
|
Magnetic blowout spark gap switch
|
|
US1930122A
(en)
|
|
Gaseous electric discharge device
|