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This edition of NFPA 90B, Standard for the Installation of Warm Air Heating and Air-ConditioningSystems, was prepared by the Technical Committee on Air Conditioning. It was issued by theStandards Council on August 1, 2017, with an effective date of August 21, 2017, and supersedes allprevious editions.This edition of NFPA 90B was approved as an American National Standard on August 21, 2017.
Archival snapshot of entire looseleaf Code of Massachusetts Regulations held by the Social Law Library of Massachusetts as of January 2020.
Archival snapshot of entire looseleaf Code of Massachusetts Regulations held by the Social Law Library of Massachusetts as of January 2020.
Archival snapshot of entire looseleaf Code of Massachusetts Regulations held by the Social Law Library of Massachusetts as of January 2020.
Archival snapshot of entire looseleaf Code of Massachusetts Regulations held by the Social Law Library of Massachusetts as of January 2020.
Archival snapshot of entire looseleaf Code of Massachusetts Regulations held by the Social Law Library of Massachusetts as of January 2020.
Archival snapshot of entire looseleaf Code of Massachusetts Regulations held by the Social Law Library of Massachusetts as of January 2020.