Title:
地中に残置したパイプの切断方法
Document Type and Number:
Japanese Patent JP4086614
Kind Code:
B2
More Like This:
Inventors:
Shigeru Tokozaki
Kenichi Murai
Mori Toshifumi
Kazuyuki Hara
Kenichi Murai
Mori Toshifumi
Kazuyuki Hara
Application Number:
JP2002300746A
Publication Date:
May 14, 2008
Filing Date:
October 15, 2002
Export Citation:
Assignee:
Sanshin Construction Industry Co., Ltd.
Hara Kogyo Co., Ltd.
Hara Kogyo Co., Ltd.
International Classes:
E02D3/12; E21B29/00
Domestic Patent References:
| JP6173567A | ||||
| JP5018183A |
Attorney, Agent or Firm:
Yano Toshifumi