history of videotelephony (Q5871041)
aspect of history
Language:
Current Data About history of videotelephony
(P31) (Q17524420)

(P361) (Q2750030)

(P373) History of videotelephony

(P580) +1920-00-00T00:00:00Z

(P1269) (Q854954)

other details
aliases videotelephony history
description aspect of history

External Links
(P2671) /g/11fqctcrh_