Title:
両吸込渦巻ポンプおよびその羽根車並びに羽根車の製造方法
Document Type and Number:
Japanese Patent JP4972984
Kind Code:
B2
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Inventors:
Hideki Akiba
Iwa Saki Minoru
Shinji Imaoka
Iwa Saki Minoru
Shinji Imaoka
Application Number:
JP2006117393A
Publication Date:
July 11, 2012
Filing Date:
April 21, 2006
Export Citation:
Assignee:
Hitachi Plant Technology Co., Ltd.
International Classes:
F04D29/22; F04D13/14; F04D15/00; F04D29/24
Domestic Patent References:
| JP11303789A | ||||
| JP60141496U | ||||
| JP200492650A |
Foreign References:
| US2396488 |
Attorney, Agent or Firm:
Polaire Patent Business Corporation