BS-EN-137 Complete Document History
Respiratory protective devices. Self-contained open-circuit compressed air breathing apparatus with full face mask. Requirements, testing, marking

Complete Current Edition:
   2006 EDITION - APPARATUS WITH FULL FACE MASK, REQUIREMENTS, TESTING, MARKIN - Nov. 30, 2006

Obsolete Revision Information:
   AMD 8167 - AMENDMENT 1 - May 1, 1994
   1993 EDITION - SPECIFICATION FOR RESPIRATORY - Jan. 1, 1993