CSA ANSI Z21.35A-1997/6.8A-M97 (R2002)
Addenda 1 to ANSI Z21.35-1995/CGA 6.8-M95, Pilot Gas Filters
standard by CSA Group, 04/01/1997
Full Description
Approved March 13, 1997 by American National Standards Institute, Inc. Approved June 28, 1996 by the Interprovincial Gas Advisory Council; Effective in Canada January, 1998.