Title:
岩盤破砕装置および岩盤破砕工法
Document Type and Number:
Japanese Patent JP3584326
Kind Code:
B1
Inventors:
Akio Kamishima
Application Number:
JP2004028790A
Publication Date:
November 04, 2004
Filing Date:
February 05, 2004
Export Citation:
Assignee:
Kamijima Gumi Co., Ltd.
International Classes:
E21C37/04; (IPC1-7): E21C37/04
Domestic Patent References:
| JP2533086Y2 | ||||
| JP6240973A | ||||
| JP5222891A |
Attorney, Agent or Firm:
Ryose Uji
Kakusho Shoichi
Kakusho Shoichi