FI3320A
(en)
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Electrical induction for metallurgical conditions
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FI3434A
(en)
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Electrical induction for metallurgical equipment
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FR409819A
(en)
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Improvements to magnetic blowers for electrical switches
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CH44427A
(en)
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Electric induction furnace for metallurgical purposes
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FR395139A
(en)
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Single-phase electromagnet
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FR394292A
(en)
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Metallurgical furnace
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DK12550C
(en)
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Electric Induction Furnace.
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CH44428A
(en)
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Electric induction furnace for three-phase operation
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FR390997A
(en)
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Electromagnet for alternating current
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CH44589A
(en)
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Electric furnace system
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CH46097A
(en)
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|
Electric furnace system
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CH50424A
(en)
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Electric induction furnace
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CH48302A
(en)
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Electric induction furnace
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FR356232A
(en)
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AC conductor
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GB190616269A
(en)
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Improvements relating to Electric Induction Furnaces.
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CH38488A
(en)
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Electric transformer furnace
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CH39367A
(en)
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Electric transformer furnace
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CH37780A
(en)
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Electric transformer furnace
|
FI3447A
(en)
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Anordning for spänningsreglering vid elektriska generatorer
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FR395641A
(en)
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Magnetic separator-sorter for ores
|
FR15183E
(en)
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Magnetic separator-sorter for ores
|
CH41960A
(en)
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Electric induction furnace
|
FI3418A
(en)
|
|
Rem- och gångsättning for explosionsmotorer
|
FI3392A
(en)
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Förfaringssätt for framställandet av texttryck med illustrationer
|
CH45391A
(en)
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|
Electric melting plant
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