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Application filed by V R WissingfiledCriticalV R Wissing
Priority to DK50876ApriorityCriticalpatent/DK137740B/da
Publication of DK50876ApublicationCriticalpatent/DK50876A/da
Publication of DK137740BpublicationCriticalpatent/DK137740B/da
Application grantedgrantedCritical
Publication of DK137740CpublicationCriticalpatent/DK137740C/da
DK50876A1976-02-091976-02-09Arrangement til tilvejebringelse af tilstandsoplysninger ved f.eks. telefonapparater under en PABC, (Privat automatisk bi-central).
DK137740B
(da)
