DK80976C - Kobling til opretholdelse af strømretningen i motorens compoundvikling ved ankerstrømsreversering i et Ward-Leonard-system.
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Kobling til opretholdelse af strømretningen i motorens compoundvikling ved ankerstrømsreversering i et Ward-Leonard-system.
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DK332153A1953-10-151953-10-15Kobling til opretholdelse af strømretningen i motorens compoundvikling ved ankerstrømsreversering i et Ward-Leonard-system.
DK80976C
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