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US3566243A
(en)
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High frequency power supply
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USRE27040E
(en)
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Adjustable frequency control system |
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SE190511C1
(cg-RX-API-DMAC7.html)
|
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(en)
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Electrical converter speed control system
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SE448136B
(sv)
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Styranordning for likstromseffektoverforingsledningar
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US1985003A
(en)
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Speed control
|
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(en)
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Harmonic suppression means for space discharge apparatus circuits
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(ja)
|
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転流角制御装置
|
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(en)
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Collector-free compounded synchronous generator
|
|
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(en)
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Electronic motor control system
|
|
GB716973A
(en)
|
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Improvements in or relating to phase converters and balancer units for electricity supply systems
|
|
US2443665A
(en)
|
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Regulating system
|
|
SE200821C1
(cg-RX-API-DMAC7.html)
|
|
|
|
NO126369B
(cg-RX-API-DMAC7.html)
|
|
|
|
SU401980A1
(ru)
|
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В п т
|
|
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(en)
|
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Electric current converter
|
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(en)
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Vapor electric device
|
|
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(en)
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Electrode feed control system
|
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(en)
|
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Direct current converter
|
|
CH385987A
(de)
|
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Synchrongenerator mit Selbsterregung
|
|
SU1374453A1
(ru)
|
|
Рентгеновский генератор
|
|
USRE18391E
(en)
|
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Converter polarizing system |
|
US2677089A
(en)
|
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System of speed control for electric motors
|
|
US571863A
(en)
|
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Rotary-transformer regulation |
|
JPS5475515A
(en)
|
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Exciting device for alternating current generator
|