Title:
渦巻ポンプの自吸装置及び逆止抜気弁
Document Type and Number:
Japanese Patent JP3174374
Kind Code:
U
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Inventors:
Yukio Ohta
Application Number:
JP2011002511U
Publication Date:
March 22, 2012
Filing Date:
May 09, 2011
Export Citation:
Assignee:
Yukio Ohta
International Classes:
F04D9/02
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