Document Type and Number:
Japanese Patent JPS5248308
Kind Code:
U
Application Number:
JP13457575U
Publication Date:
April 06, 1977
Filing Date:
September 30, 1975
Export Citation:
International Classes:
H04Q5/00; H04B5/04; H04B7/26; H04M13/00; (IPC1-7): H04B5/04; H04B7/26; H04M13/00