ES411375A1 - Un metodo para asignar intervalos de tiempo y para sumar direcciones a palabras de modulacion de impulsos codificadosen una central telefonica.
- Google Patents
Un metodo para asignar intervalos de tiempo y para sumar direcciones a palabras de modulacion de impulsos codificadosen una central telefonica.
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Telefonaktiebolaget LM Ericsson AB
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Telefonaktiebolaget LM Ericsson AB
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ES411375A1973-02-071973-02-07Un metodo para asignar intervalos de tiempo y para sumar direcciones a palabras de modulacion de impulsos codificadosen una central telefonica.
ExpiredES411375A1
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