BS-4978 › Complete Document History
Visual strength grading of softwood. Specification

Complete Current Edition:
   2007/A2 EDITION - 2007 EDITION/AMENDMENT 2 INTERFILED - Nov. 1, 2017

Obsolete Revision Information:
   2007/A1 EDITION - 2007 EDITION/AMENDMENT 1 INTERFILED - Dec. 1, 2011
   2007 EDITION - VISUAL STRENGTH GRADING OF SOFTWOOD, SPECIFICATION - May 31, 2007
   1996 EDITION - WITHDRAWN, 5/31/2007 - Aug. 15, 1996
   1988 EDITION - WITHDRAWN, 8/15/1996 - Nov. 30, 1988