Title:
HEAT INSULATING STRUCTURE OF BANKING BOX CULVERT
Document Type and Number:
Japanese Patent JPS62111001
Kind Code:
A
Inventors:
ISHII HIROSHI
Application Number:
JP25085285A
Publication Date:
May 22, 1987
Filing Date:
November 11, 1985
Export Citation:
Assignee:
DOW KAKO KK
International Classes:
E01C1/04; E03F3/04; E21D11/38; (IPC1-7): E01C1/04; E03F3/04; E21D11/38
Attorney, Agent or Firm:
Yoshio Toyota