Frame for immersion flat filter membrane elements
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Claims
The ornamental design for a frame for immersion flat filter membrane elements, as shown and described.
Type: Grant
Filed: Mar 30, 2010
Date of Patent: Jan 31, 2012
Assignee: Hitachi Plant Technologies, Ltd. (Toshima-ku)
Inventors: Yusuke Okawa (Toshima-ku), Yasuyuki Okuno (Amagasaki), Kei Hayashida (Amagasaki)
Primary Examiner: Robin V Webster
Attorney: Wenderoth, Lind & Ponack, L.L.P.
Application Number: 29/347,652