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What does 1822 stand for?

1822 ( MDCCCXXII ) was a common year starting on Tuesday of the Gregorian calendar and a common year starting on Sunday of the Julian calendar, the 1822nd year of the Common Era (CE) and Anno Domini (AD) designations, the 822nd year of the 2nd millennium, the 22nd year of the 19th century, and the 3rd year of the 1820s decade.

What is BS EN 1822-1?

National foreword This British Standard is the UK implementation of EN 1822-1:2009. It supersedes BS EN 1822-1:1998 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee MCE/21/3, Air filters other than for air supply for I.C. engines and compressors.

What happened in 1822 in the world?

January 1 – The Greek Constitution of 1822 is adopted by the First National Assembly at Epidaurus. January 3 - The famous French explorer, Aimé Bonpland, is made prisoner in Paraguay accused of being a spy.

What are the parts of Enen 1822?

EN 1822, High efficiency air filters (EPA, HEPA and ULPA), consists of the following parts: Part 1: Classification, performance testing, marking Part 2: Aerosol production, measuring equipment, particle counting statistics Part 3: Testing flat sheet filter media Part 4: Determining leakage of filter elements (scan method)


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