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Ahri standard sound Ahri add Ahri standard 550-590 (i-p)-2011
Ahri updates refrigerant spec standard Ahri 700-2017 add 1 Codes ahri
Ahri_standard_700_2017-homeCodes and standards .
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AHRI updates refrigerant spec standard - Cooling Post
Codes and Standards
AHRI 700-2017 Add 1 - Specifications for Refrigerants with Addendum 1
AHRI Standard 550-590 (I-P)-2011 | Air Conditioning | Heat Exchanger
AHRI Standard 410 - [PDF Document]