Title:
TWO-LEVEL CROSSING SYSTEM
Document Type and Number:
Japanese Patent JPS63114701
Kind Code:
A
Inventors:
FUJI AKIRA
Application Number:
JP25818186A
Publication Date:
May 19, 1988
Filing Date:
October 31, 1986
Export Citation:
Assignee:
MITSUI CONSTR
International Classes:
E01C1/04; (IPC1-7): E01C1/04
Attorney, Agent or Firm:
Teruaki Koyama