Communications: Electronic telephone switching in Japan:...

IEEE Spectrum 1976 Vol. 13; Iss. 6

Communications: Electronic telephone switching in Japan: For Nippon Telegraph and Telephone, D-10 and D-20 are �household� words, as is �ESS� in the U.S.

Shiromizu, M.
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Volume:
13
Year:
1976
Language:
english
Journal:
IEEE Spectrum
DOI:
10.1109/mspec.1976.6369225
File:
PDF, 524 KB
english, 1976
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