ASHRAE 34-2004 Addenda a, b, c, f, k, n, o, p, q, r, s, and u

Addenda a, b, c, f, k, n, o, p, q, r, s, and u Standard 34-2004 — Designation and Safety Classification of Refrigerants (ANSI Approved)
Amendment by ASHRAE, 2006