Electron Tubes, Transmitting (Q123190480)
superseded SIC industry classification
Language:
Current Data About Electron Tubes, Transmitting
(P31) (Q123186574)

(P361) (Q123209879)

(P576) Thursday, January 1, 1987
(P248)
(P304) 661–678

(P1476) "Electron Tubes, Transmitting" (language: en)

(P7888) (Q123187404)
(P248)
(P304) 661–678

other details
description superseded SIC industry classification

External Links
(P3242) 3673