Document Type and Number:
Japanese Patent JPS5153065
Kind Code:
Y2
Application Number:
JP7070672U
Publication Date:
December 18, 1976
Filing Date:
June 15, 1972
Export Citation:
International Classes:
E04H17/16; E01B19/00; E01C1/00; E01F8/00; E04B1/86; E04H17/14; (IPC1-7): E04C1/86; E01B19/00; E01C1/00
Previous Patent: JPS5153064
Next Patent: MODE FOR LOOP TYPE OPTICAL LAN AND LOOP TYPE OPTICAL LAN USING THE SAME
Next Patent: MODE FOR LOOP TYPE OPTICAL LAN AND LOOP TYPE OPTICAL LAN USING THE SAME