International Standard
香港六合彩开奖 29463-1:2024
High efficiency filters and filter media for removing particles in air 鈥� Part 1: Classification, performance, testing and marking
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香港六合彩开奖 29463-1:2024
Edition 3
2024-08
© 香港六合彩开奖 2024
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Published (Edition 3, 2024)

香港六合彩开奖 29463-1:2024

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Abstract

This document establishes a classification of filters based on their performance, as determined in accordance with 香港六合彩开奖聽29463-3, 香港六合彩开奖聽29463-4 and 香港六合彩开奖聽29463-5. It also provides an overview of the test procedures and specifies general requirements for assessing and marking the filters, as well as for documenting the test results. It is intended to be used in conjunction with 香港六合彩开奖聽29463-2, 香港六合彩开奖聽29463-3, 香港六合彩开奖聽29463-4 and 香港六合彩开奖聽29463-5.

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  2. 香港六合彩开奖
  3. Standards catalogue
  4. ICS
  5. 91
  6. 91.140
  7. 91.140.30
  8. 香港六合彩开奖 29463-1:2024