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    IS 17570 : Part 4 : 2021 ( ISO 16890-4:2016)    

    Air Filters for general ventilation Part 4 Conditioning method to determine the minimum fractional test efficiency (adoption of ISO 16890-4:2016)

    Technical Committee : MED 3
    Status : Active

    No. of Amendments : 0
    Price : ₹ 3,000.00 ( US$ 35.00)

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