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Wastewater treatment plants - Part 16: Physical (mechanical) filtration; German version EN 12255-16:2021

Water quality - Detection and enumeration of Escherichia coli - Part 4: Membrane filtration method for water with high levels of background bacteria

Aseptic processing of health care products - Part 2: Sterilizing filtration - Amendment 1

Aseptic processing of health care products - Part 2: Sterilizing filtration - Amendment 1

IEC 60312-f1 Ed. 5.0: Vacuum cleaners for household use - Dry vacuum cleaners - Methods of measuring the performance - Alternative method for measuring the filtration efficiency of a vacuum cleaner

Aseptic processing of health care products - Part 2: Sterilizing filtration - Amendment 1

Mining - Operator enclosures - Performance requirements, testing, and operational integration of gas filtration

Nonwovens - Test methods for filtration of particulate matter

Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 4: Membrane filtration method for Escherichia coli in water with high levels of background bacteria

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