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B01D
B01D33/00
B01D33/0003
B01D33/0006
B01D33/0009
B01D33/0022
B01D33/0025
B01D33/0029
ClassID:
29173
⎘
B01D33/0029 - CPC Classification
Classification description:
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#1
20170072342
2017-03-16
Simultaneous accomplishment for filtration and washing at pore controllable fiber filter
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