Document Type and Number:
Japanese Patent JPS5169310
Kind Code:
A
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Inventors:
ASAKURA TOSHIHIKO
NARITA SATORU
NARITA SATORU
Application Number:
JP14255374A
Publication Date:
June 15, 1976
Filing Date:
December 13, 1974
Export Citation:
Assignee:
HITACHI LTD
NIPPON TELEGRAPH & TELEPHONE
NIPPON TELEGRAPH & TELEPHONE
International Classes:
G06F11/00; G06F3/00; G06F13/00; H04B17/00; H04L23/00; H04L69/40; (IPC1-7): G06F3/00; G06F11/00; H04B17/00; H04L23/00