Title:
切羽地山の崩落防止装置
Document Type and Number:
Japanese Patent JP3601327
Kind Code:
B2
Inventors:
Masao Ikeda
Kazuo Orikasa
Kazuo Orikasa
Application Number:
JP34447598A
Publication Date:
December 15, 2004
Filing Date:
December 03, 1998
Export Citation:
Assignee:
Obayashi Corporation
International Classes:
E21B23/03; E21D9/10; (IPC1-7): E21D9/10
Domestic Patent References:
| JP10219690A |
Attorney, Agent or Firm:
Kensuke Isshiki
Noritaka Harashima
Satoshi Suzuki
Noritaka Harashima
Satoshi Suzuki