BS-4979 | Methods for aerodynamic testing of constant and variable dual or single duct boxes, single duct units and induction boxes for air distribution systems. | Document Center, Inc.

BS-4979 › Complete Document History
Methods for aerodynamic testing of constant and variable dual or single duct boxes, single duct units and induction boxes for air distribution systems.

Obsolete Revision Information:

1986 EDITION - WITHDRAWN, 12/1/2003 - April 30, 1986