CONFERENCE CIRCUIT FOR A DIGITAL TELEPHONE SWITCHING SYSTEM
A Standard patent application filed on 06 December 1982 credited to Zanzig, Jurgen
;
Eschamann, Joachim
Details
Application number :
91131
Application type :
Standard
Application status :
CEASED
Under opposition :
No
Proceeding type :
Invention title :
CONFERENCE CIRCUIT FOR A DIGITAL TELEPHONE SWITCHING SYSTEM