Document Type and Number:
Japanese Patent JPS5098710
Kind Code:
A
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Application Number:
JP14438973A
Publication Date:
August 06, 1975
Filing Date:
December 27, 1973
Export Citation:
International Classes:
H04J3/07; H04J3/06; H04L7/00; H04Q11/04; (IPC1-7): H04J3/06; H04Q11/04