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常用連結 - 工程連結


International Organization for Standardization

Website: http://www.iso.org

ISO 14644 standard can be found in here. ISO 14644 is a series of documents, being developed as International Standards, concerned with cleanrooms and associated controlled environments.


Federal Standard 209E download website

Website: http://www.aeg-idea.com/Federal_Standard_209.pdf

Federal Standard 209E is a US standard for airborne particulate cleanliness classes in cleanrooms and clean zones. But It was canceled and superseded by ISO Standards.


ASHRAE

Website: http://www.ashrae.org

ASHRAE (American Society of Heating, Refrigerating and Air-Conditioning Engineers) is one of a leading edge in the arts and sciences of heating, ventilation, air conditioning and refrigeration.


NEBB

Website: http://www.nebb.org

The NEBB (National Environmental Balancing Bureau) is a US contractors organization for the heating, ventilating and air conditioning (HVAC) industry.


OnlineConversion.com

Website: http://www.onlineconversion.com

It is a website for engineering units conversion.




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