Title:
DRAIN METHOD FOR LEVEE ROAD* SLOPE AND TUNNEL
Document Type and Number:
Japanese Patent JPS5475128
Kind Code:
A
Inventors:
SHIRATORI HIROSHI
Application Number:
JP14208977A
Publication Date:
June 15, 1979
Filing Date:
November 25, 1977
Export Citation:
Assignee:
SHIRATORI HIROSHI
International Classes:
E02D17/20; E01F5/00; E02D29/02; E21F16/02; (IPC1-7): E01F5/00; E02D29/02; E21F16/02
Domestic Patent References:
| JPS4731128U | 1972-12-08 | |||
| JPS5163503A | 1976-06-02 |
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