Title:
A pump and a drainage pump device which have an air extraction hole
Document Type and Number:
Japanese Patent JP6254382
Kind Code:
B2
Inventors:
Yasuhiro Homma
Nobuo Ishiguro
Nobuo Ishiguro
Application Number:
JP2013172869A
Publication Date:
December 27, 2017
Filing Date:
August 23, 2013
Export Citation:
Assignee:
Watering Co., Ltd.
International Classes:
F04D13/08; F04D7/04
Domestic Patent References:
| JP2005214046A | ||||
| JP57015921A | ||||
| JP2004262285A | ||||
| JP8100784A | ||||
| JP2002147391A |
Foreign References:
| WO2010038692A1 |
Attorney, Agent or Firm:
Isamu Watanabe
Tetsuya Hirosawa
Tetsuya Hirosawa
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