Title:
【発明の名称】脆性物体への穿孔兼膨張性破砕剤充填装置及び脆性物体への膨張性破砕剤充填方法
Document Type and Number:
Japanese Patent JP2622529
Kind Code:
B2
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Inventors:
Ishii Shiro
Toshiharu Hinata
Kenichi Tanaka
Takashi Isoda
Toshiharu Hinata
Kenichi Tanaka
Takashi Isoda
Application Number:
JP30885388A
Publication Date:
June 18, 1997
Filing Date:
December 08, 1988
Export Citation:
Assignee:
Onoda Co., Ltd.
Circular Maintenance Co., Ltd.
Circular Maintenance Co., Ltd.
International Classes:
E21B17/03; E21B1/00; E21C37/00; (IPC1-7): E21C37/00; E21C3/34
Attorney, Agent or Firm:
Koya Konno
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