CAN/CGSB 69.31-M89/ANSI/BHMA A156.15-1981 AMEND.
CAN/CGSB 69.31-M89/ANSI/BHMA A156.15-1981 AMEND.
Dispositifs de retenue, de relâchement et de fermeture des portes
Amendment published 03/01/1993 by Canadian General Standards Board