Title:
管内抽水装置
Document Type and Number:
Japanese Patent JP4303862
Kind Code:
B2
Inventors:
Tetsuya Iwanaga
Application Number:
JP2000086021A
Publication Date:
July 29, 2009
Filing Date:
March 27, 2000
Export Citation:
Assignee:
OSAKA GAS CO.,LTD.
International Classes:
E03F9/00; F16L55/07; F16L39/00; F16L55/00
Domestic Patent References:
| JP8303697A | ||||
| JP60080429A | ||||
| JP7136607A | ||||
| JP7299024A | ||||
| JP4057810U | ||||
| JP11159690A | ||||
| JP10262913A | ||||
| JP3045982U |
Attorney, Agent or Firm:
Shuichiro Kitamura