Title:
【発明の名称】岩盤またはコンクリートの破砕方法
Document Type and Number:
Japanese Patent JP2622264
Kind Code:
B2
Inventors:
Shunichi Kadota
Akimasa Waku
Okura Kichi Miya
Tatsuya Noma
Hideyuki Murayama
Kuniyuki Miyazawa
Akimasa Waku
Okura Kichi Miya
Tatsuya Noma
Hideyuki Murayama
Kuniyuki Miyazawa
Application Number:
JP316688A
Publication Date:
June 18, 1997
Filing Date:
January 12, 1988
Export Citation:
Assignee:
Fujita Co., Ltd.
Miyazawa Manufacturing Co., Ltd.
Miyazawa Manufacturing Co., Ltd.
International Classes:
E21C37/02; E04G23/08; E21C37/06; (IPC1-7): E21C37/02; E21C37/06
Domestic Patent References:
| JP6286292A |
Attorney, Agent or Firm:
Shigefumi Okamoto (2 others)