ASTM-F856 Complete Document History
Standard Practice for Mechanical Symbols, Shipboard—Heating, Ventilation, and Air Conditioning (HVAC)

Complete Current Edition:
   1997 R22 EDITION - REAPPROVED IN 2022 - Oct. 12, 2022

Obsolete Revision Information:
   1997 R18 EDITION - REAPPROVED IN 2018 - Sept. 1, 2018
   1997 R14 EDITION - REAPPROVED IN 2014 - Nov. 1, 2014
   1997 R08 EDITION - REAPPROVED IN 2008 - Dec. 1, 2008
   1997 EDITION - Mechanical Symbols, Shipboard - Heating, Ventilation, and Ai - Nov. 10, 1997
   1988 R94(E1) EDITION - EDITORIALLY CORRECTED - June 1, 1994
   1988 EDITION - SYMBOLS - HEATING, VENTILATION, AND AIR CONDITIONING (HVAC) - Feb. 26, 1988