Title:
AUGER CONSTRUCTION METHOD
Document Type and Number:
Japanese Patent JPS58173288
Kind Code:
A
Inventors:
MATSUZAWA HAJIME
Application Number:
JP18108982A
Publication Date:
October 12, 1983
Filing Date:
October 15, 1982
Export Citation:
Assignee:
MATSUZAWA HAJIME
International Classes:
E21B17/22; E02D5/46; (IPC1-7): E21B17/22
Domestic Patent References:
| JPS5238715A | 1977-03-25 | |||
| JPS48101711A | 1973-12-21 |
Attorney, Agent or Firm:
Toshi Hisamon