CH474932A - Zeichengabeverfahren für PCM-Fernmelde-, insbesondere Fernsprechvermittlungsanlagen
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Zeichengabeverfahren für PCM-Fernmelde-, insbesondere Fernsprechvermittlungsanlagen
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Publication number
CH474932A
CH474932ACH919668ACH919668ACH474932ACH 474932 ACH474932 ACH 474932ACH 919668 ACH919668 ACH 919668ACH 919668 ACH919668 ACH 919668ACH 474932 ACH474932 ACH 474932A
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Application filed by Int Standard Electric CorpfiledCriticalInt Standard Electric Corp
Publication of CH474932ApublicationCriticalpatent/CH474932A/de