NL144470B -
SWITCHING DEVICE FOR CONTROLLING CONNECTION PROCESSES IN A COMMUNICATION SYSTEM, IN PARTICULAR TIME MULTIPLEX TELEPHONE SYSTEM.
- Google Patents
SWITCHING DEVICE FOR CONTROLLING CONNECTION PROCESSES IN A COMMUNICATION SYSTEM, IN PARTICULAR TIME MULTIPLEX TELEPHONE SYSTEM.
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Publication of NL144470BpublicationCriticalpatent/NL144470B/en
NL297347A1962-09-191963-08-30
SWITCHING DEVICE FOR CONTROLLING CONNECTION PROCESSES IN A COMMUNICATION SYSTEM, IN PARTICULAR TIME MULTIPLEX TELEPHONE SYSTEM.
NL144470B
(en)