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2014-07-18
IV. Research and development results
2014-07-18
Translation: Patent achievement
2014-07-18
CEMCN passed the trial test of high pressure filter cartridge.
2014-07-18
DOH auxiliary valves successfully passed trial test in 2011.
2014-07-18
CDOH filter cartridge and backflush filter passed the trial test in 2011.
2014-07-18
On 3rd January 3 of 2010, CDOH filters and filter elements successfully passed the trial test in She
2014-07-18
CDOH auxiliary valve successfully used in Shendong in 2009.

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