EN-673 › Complete Document History
Glass in Building, Determination of Thermal Transmittance (U Value), Calculation Metho

Complete Current Edition:
   2011 EDITION - ONLY AVAILABLE IN NATIONAL EDITIONS - Jan. 1, 2011

Obsolete Revision Information:
   1997 EDITION AMENDMENT A2 - ONLY AVAILABLE IN NATIONAL EDITIONS - Dec. 1, 2002
   1997 EDITION AMENDMENT A1 - ONLY AVAILABLE IN NATIONAL EDITIONS - Oct. 1, 2000
   1997 EDITION - ONLY AVAILABLE IN NATIONAL EDITIONS - Nov. 1, 1997