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US820113A
(en)
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Water-purifier.
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BE423786A
(enEXAMPLES)
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|
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US3740507A
(en)
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Vacuum switch with magnetically controllable arc
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US4606892A
(en)
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Ozone generator of stack-type design, employing round plate-electrodes
|
|
US4797778A
(en)
|
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Gas discharge path
|
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US4002867A
(en)
|
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Vacuum-type circuit interrupters with condensing shield at a fixed potential relative to the contacts
|
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US2542639A
(en)
|
|
Electrode structure for electric discharge devices
|
|
US5633777A
(en)
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Gas-filled, three-electrode overvoltage surge arrester for large switching capacities
|
|
US1598877A
(en)
|
|
Electrical switch
|
|
US1961618A
(en)
|
|
Low voltage electric discharge tube
|
|
US2966569A
(en)
|
|
Vacuum switch
|
|
US3442788A
(en)
|
|
Ozone generator
|
|
US1944190A
(en)
|
|
Vacuum tube
|
|
US1934475A
(en)
|
|
Electric capacitor
|
|
BE393058A
(enEXAMPLES)
|
|
|
|
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
|
|
US1316967A
(en)
|
|
Gaseous-conduction lamp |
|
US3727092A
(en)
|
|
High power vacuum fuse apparatus
|
|
US3267320A
(en)
|
|
Magnetic blowout spark gap switch
|
|
US1930122A
(en)
|
|
Gaseous electric discharge device
|
|
US1101728A
(en)
|
|
Lightning-arrester.
|
|
SU245863A1
(ru)
|
|
Высоковольтный газовый выключатель
|