Title:
FALLING ROCK PREVENTING METHOD
Document Type and Number:
Japanese Patent JPS6023504
Kind Code:
A
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Inventors:
IRIE YOSHIAKI
Application Number:
JP13003283A
Publication Date:
February 06, 1985
Filing Date:
July 16, 1983
Export Citation:
Assignee:
IRIE YOSHIAKI
International Classes:
E01F7/04; E02D17/20; (IPC1-7): E01F7/04
Domestic Patent References:
| JPS5214702U | 1977-02-02 |
Attorney, Agent or Firm:
Shigeo Kawada