ES165433A1 - Perfeccionamientos en interruptores con extinción del arco por una corriente de un medio extintor a presión, producida por el mismo arco
- Google Patents
Perfeccionamientos en interruptores con extinción del arco por una corriente de un medio extintor a presión, producida por el mismo arco
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ES165433A1944-03-311944-03-31Perfeccionamientos en interruptores con extinción del arco por una corriente de un medio extintor a presión, producida por el mismo arco
ExpiredES165433A1
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