Document Type and Number:
Japanese Patent JPS56707
Kind Code:
Y2
Application Number:
JP14414074U
Publication Date:
January 09, 1981
Filing Date:
November 27, 1974
Export Citation:
International Classes:
H04M3/26; H04M3/22; H04M3/24; H04Q1/20; H04Q3/54; (IPC1-7): H04Q1/20; H04M3/24
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