Title:
高水圧の揚水管閉塞方法
Document Type and Number:
Japanese Patent JP4293649
Kind Code:
B2
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Inventors:
Kiyohiro Yamashita
Application Number:
JP20041198A
Publication Date:
July 08, 2009
Filing Date:
July 15, 1998
Export Citation:
Assignee:
Taisei Corporation
International Classes:
F16L1/024; E02D3/10; E02D19/10; E02D31/02
Domestic Patent References:
| JP59173413A | ||||
| JP4933124B1 |
Attorney, Agent or Firm:
Sakuo Yamaguchi
Yuichi Kasai
Yuichi Kasai