Title:
【発明の名称】鉄筋コンクリート斫用偏角回転ウォータジェットガン
Document Type and Number:
Japanese Patent JP2619723
Kind Code:
B2
Inventors:
Takayuki Adachi
Application Number:
JP30761589A
Publication Date:
June 11, 1997
Filing Date:
November 29, 1989
Export Citation:
Assignee:
Rd Kosan Co., Ltd.
International Classes:
E21B7/18; B24C5/02; E04G23/08; (IPC1-7): E04G23/08; B24C5/02; E21B7/18
Domestic Patent References:
| JP1190891A | ||||
| JP6023562A | ||||
| JP1174772A | ||||
| JP6397500U | ||||
| JP59120251U | ||||
| JP62165899U |
Attorney, Agent or Firm:
Ryuji Miyamoto