Title:
坑道の支保方法および支保装置
Document Type and Number:
Japanese Patent JP4395903
Kind Code:
B2
Inventors:
Toshiaki Uehara
Takanobu Miki
Satoshi Ishino
Takanobu Miki
Satoshi Ishino
Application Number:
JP2242199A
Publication Date:
January 13, 2010
Filing Date:
January 29, 1999
Export Citation:
Assignee:
Ihi Co., Ltd.
International Classes:
E21D11/40; E21D21/00
Domestic Patent References:
| JP5133197A | ||||
| JP4330199A | ||||
| JP3081497A | ||||
| JP11036788A | ||||
| JP9144474A |
Attorney, Agent or Firm:
Nobuo Kinutani