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Publication date
Application filed by Siemens Ag AlbisfiledCriticalSiemens Ag Albis
Publication of CH202981ApublicationCriticalpatent/CH202981A/de
H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
H04M15/38—Charging, billing or metering by apparatus other than mechanical step-by-step counter type
Landscapes
Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
Signal Processing
(AREA)
CH202981D1937-05-071938-05-04Aufzeichnungsvorrichtung an Typendruckern mit Kupon- und Registrierstreifen.
CH202981A
(de)