Title:
COVERING OF ARCH CONCRETE OF TUNNEL
Document Type and Number:
Japanese Patent JPS58199998
Kind Code:
A
Inventors:
IKUTA AKIO
Application Number:
JP8216682A
Publication Date:
November 21, 1983
Filing Date:
May 14, 1982
Export Citation:
Assignee:
KENSETSU FASTENER KK
International Classes:
E21D11/38; (IPC1-7): E21D11/38
Domestic Patent References:
| JPS4951714A | 1974-05-20 |
Attorney, Agent or Firm:
Eiji Saegusa