Document Type and Number:
Japanese Patent JPS5153713
Kind Code:
A
Inventors:
KANEKO HIKOTAKA
Application Number:
JP12753974A
Publication Date:
May 12, 1976
Filing Date:
November 07, 1974
Export Citation:
Assignee:
JAPAN NATIONAL RAILWAY
International Classes:
E01D21/00; E02D5/00; E02D5/34; (IPC1-7): E02D5/00; E02D5/34